<?xml version="1.0" encoding="UTF-8"?>
<!--XBRL Document Modified with Ez-Editor Version 1.1.0.1 on Tuesday, February 17, 2015 12:12:14 PM -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/> <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/> <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/> <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/> <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/> <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/> <roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/> 
<labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DocumentAndEntityInformationAbstract" xlink:label="loc_839743H4G541_astc_DocumentAndEntityInformationAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_DocumentAndEntityInformationAbstract" xml:lang="en-US">Document And Entity Information [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_DocumentAndEntityInformationAbstract" xlink:to="lab_051965J6I763_astc_DocumentAndEntityInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_FG95812277699K094F4I_dei_EntityRegistrantName"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_dei_EntityRegistrantName" xml:lang="en-US">Entity Registrant Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_dei_EntityRegistrantName" xlink:to="lab_HI17034499811M216H6K_dei_EntityRegistrantName"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_839743H4G541_dei_EntityCentralIndexKey"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_dei_EntityCentralIndexKey" xml:lang="en-US">Entity Central Index Key</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_dei_EntityCentralIndexKey" xlink:to="lab_051965J6I763_dei_EntityCentralIndexKey"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_FG95812277699K094F4I_dei_TradingSymbol"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_dei_TradingSymbol" xml:lang="en-US">Trading Symbol</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_dei_TradingSymbol" xlink:to="lab_HI17034499811M216H6K_dei_TradingSymbol"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_839743H4G541_dei_CurrentFiscalYearEndDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_dei_CurrentFiscalYearEndDate" xml:lang="en-US">Current Fiscal Year End Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_dei_CurrentFiscalYearEndDate" xlink:to="lab_051965J6I763_dei_CurrentFiscalYearEndDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_FG95812277699K094F4I_dei_EntityFilerCategory"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_dei_EntityFilerCategory" xml:lang="en-US">Entity Filer Category</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_dei_EntityFilerCategory" xlink:to="lab_HI17034499811M216H6K_dei_EntityFilerCategory"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_839743H4G541_dei_EntityCommonStockSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US">Entity Common Stock, Shares Outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_051965J6I763_dei_EntityCommonStockSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_FG95812277699K094F4I_dei_DocumentType"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_dei_DocumentType" xml:lang="en-US">Document Type</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_dei_DocumentType" xlink:to="lab_HI17034499811M216H6K_dei_DocumentType"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_839743H4G541_dei_DocumentPeriodEndDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_dei_DocumentPeriodEndDate" xml:lang="en-US">Document Period End Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_dei_DocumentPeriodEndDate" xlink:to="lab_051965J6I763_dei_DocumentPeriodEndDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_FG95812277699K094F4I_dei_AmendmentFlag"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_dei_AmendmentFlag" xml:lang="en-US">Amendment Flag</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_dei_AmendmentFlag" xlink:to="lab_HI17034499811M216H6K_dei_AmendmentFlag"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_839743H4G541_dei_DocumentFiscalPeriodFocus"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_dei_DocumentFiscalPeriodFocus" xml:lang="en-US">Document Fiscal Period Focus</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_dei_DocumentFiscalPeriodFocus" xlink:to="lab_051965J6I763_dei_DocumentFiscalPeriodFocus"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_FG95812277699K094F4I_dei_DocumentFiscalYearFocus"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_dei_DocumentFiscalYearFocus" xml:lang="en-US">Document Fiscal Year Focus</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_dei_DocumentFiscalYearFocus" xlink:to="lab_HI17034499811M216H6K_dei_DocumentFiscalYearFocus"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_839743H4G541_us-gaap_StatementOfFinancialPositionAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US">Statement of Financial Position [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_051965J6I763_us-gaap_StatementOfFinancialPositionAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_AssetsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AssetsAbstract" xml:lang="en-US">Assets [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AssetsAbstract" xml:lang="en-US">Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AssetsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_AssetsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_839743H4G541_us-gaap_AssetsCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_AssetsCurrentAbstract" xml:lang="en-US">Current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_AssetsCurrentAbstract" xml:lang="en-US">Current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_AssetsCurrentAbstract" xlink:to="lab_051965J6I763_us-gaap_AssetsCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_FG95812277699K094F4I_us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents at beginning of period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents at end of period</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_839743H4G541_us-gaap_ShortTermInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ShortTermInvestments" xml:lang="en-US">Short-term Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_ShortTermInvestments" xml:lang="en-US">Short-term investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ShortTermInvestments" xlink:to="lab_051965J6I763_us-gaap_ShortTermInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_AccountsReceivableNetCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Accounts receivable, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Total accounts receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Accounts receivable, net of allowance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US">Total accounts receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AccountsReceivableNetCurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_AccountsReceivableNetCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_839743H4G541_us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xml:lang="en-US">Prepaid expenses and other current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xml:lang="en-US">Prepaid expenses and other current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="lab_051965J6I763_us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Assets, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US">Discontinued operations - current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_839743H4G541_us-gaap_AssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_AssetsCurrent" xml:lang="en-US">Assets, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_AssetsCurrent" xml:lang="en-US">Total current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_AssetsCurrent" xlink:to="lab_051965J6I763_us-gaap_AssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_FG95812277699K094F4I_us-gaap_PropertyPlantAndEquipmentNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and equipment, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Fixed Assets, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and equipment, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US">Property and Equipment, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_HI17034499811M216H6K_us-gaap_PropertyPlantAndEquipmentNet"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_IndemnnityHoldbackCurrent" xlink:label="loc_839743H4G541_astc_IndemnnityHoldbackCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_IndemnnityHoldbackCurrent" xml:lang="en-US">Indemnity Holdback Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_astc_IndemnnityHoldbackCurrent" xml:lang="en-US">Indemnity receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_IndemnnityHoldbackCurrent" xml:lang="en-US">Indemnity holdback</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_IndemnnityHoldbackCurrent" xml:lang="en-US">Represents amount indemnity holdback classified as current.</label>
<label xlink:type="resource" xlink:label="lab_051965J6I763_astc_IndemnnityHoldbackCurrent" xlink:role="http://www.xbrl.org/2009/role/netLabel" xml:lang="en-US">Receivable for indemnity holdback</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_IndemnnityHoldbackCurrent" xlink:to="lab_051965J6I763_astc_IndemnnityHoldbackCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Assets, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xml:lang="en-US">Discontinued operations - net of current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="loc_839743H4G541_us-gaap_Assets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_Assets" xml:lang="en-US">Total Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_Assets" xml:lang="en-US">Total assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_Assets" xlink:to="lab_051965J6I763_us-gaap_Assets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">Liabilities and Equity [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">Liabilities and stockholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_839743H4G541_us-gaap_LiabilitiesCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US">Current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US">Current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_051965J6I763_us-gaap_LiabilitiesCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_AccountsPayableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccountsPayableCurrent" xml:lang="en-US">Accounts payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccountsPayableCurrent" xml:lang="en-US">Accounts payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AccountsPayableCurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_AccountsPayableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_839743H4G541_us-gaap_AccruedLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_AccruedLiabilitiesCurrent" xml:lang="en-US">Accrued liabilities and other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_AccruedLiabilitiesCurrent" xml:lang="en-US">Accrued liabilities and other</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_AccruedLiabilitiesCurrent" xlink:to="lab_051965J6I763_us-gaap_AccruedLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_AccruedIncomeTaxesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccruedIncomeTaxesCurrent" xml:lang="en-US">Accrued Income Taxes, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AccruedIncomeTaxesCurrent" xml:lang="en-US">Income tax payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AccruedIncomeTaxesCurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_AccruedIncomeTaxesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_839743H4G541_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Liabilities, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US">Discontinued operations - current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="lab_051965J6I763_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_LiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesCurrent" xml:lang="en-US">Liabilities, Current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesCurrent" xml:lang="en-US">Total current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LiabilitiesCurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_LiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_839743H4G541_us-gaap_OtherLiabilitiesNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_OtherLiabilitiesNoncurrent" xml:lang="en-US">Other Liabilities, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_OtherLiabilitiesNoncurrent" xml:lang="en-US">Other liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_OtherLiabilitiesNoncurrent" xlink:to="lab_051965J6I763_us-gaap_OtherLiabilitiesNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:label="loc_FG95812277699K094F4I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US">Discontinued operations - net of current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:to="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_839743H4G541_us-gaap_Liabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_Liabilities" xml:lang="en-US">Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_Liabilities" xml:lang="en-US">Total liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_Liabilities" xlink:to="lab_051965J6I763_us-gaap_Liabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_StockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_StockholdersEquityAbstract" xml:lang="en-US">Stockholders' equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_StockholdersEquityAbstract" xml:lang="en-US">Stockholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_StockholdersEquityAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_StockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_839743H4G541_us-gaap_PreferredStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_PreferredStockValue" xml:lang="en-US">Preferred stock, no par value, convertible, 2,500,000 authorized shares, no issued and outstanding shares, at March 31, 2014 and June 30, 2013</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_PreferredStockValue" xml:lang="en-US">Preferred stock, no par value, convertible, 2,500,000 authorized shares, no issued and outstanding shares, at December 31, 2014 and June 30, 2014</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_PreferredStockValue" xlink:to="lab_051965J6I763_us-gaap_PreferredStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_FG95812277699K094F4I_us-gaap_CommonStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CommonStockValue" xml:lang="en-US">Common stock, no par value, 75,000,000 shares authorized; 19,812,054 and 19,781,721 shares issued at March 31, 2014 and June 30, 2013</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CommonStockValue" xml:lang="en-US">Common stock, no par value, 75,000,000 shares authorized; 20,013,787 and 19,856,454 shares issued at December 31, 2014 and June 30, 2014</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CommonStockValue" xlink:to="lab_HI17034499811M216H6K_us-gaap_CommonStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_839743H4G541_us-gaap_TreasuryStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_TreasuryStockValue" xml:lang="en-US">Treasury Stock, Value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_TreasuryStockValue" xml:lang="en-US">Treasury stock, 470,460 shares at cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_TreasuryStockValue" xlink:to="lab_051965J6I763_us-gaap_TreasuryStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_FG95812277699K094F4I_us-gaap_AdditionalPaidInCapital"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional paid-in capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AdditionalPaidInCapital" xml:lang="en-US">Additional paid-in capital</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AdditionalPaidInCapital" xlink:to="lab_HI17034499811M216H6K_us-gaap_AdditionalPaidInCapital"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_839743H4G541_us-gaap_RetainedEarningsAccumulatedDeficit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Accumulated deficit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US">Accumulated deficit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_051965J6I763_us-gaap_RetainedEarningsAccumulatedDeficit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_FG95812277699K094F4I_us-gaap_MinorityInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_MinorityInterest" xml:lang="en-US">Noncontrolling interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_MinorityInterest" xml:lang="en-US">Noncontrolling interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_MinorityInterest" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_MinorityInterest" xml:lang="en-US">Ending balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_MinorityInterest" xlink:to="lab_HI17034499811M216H6K_us-gaap_MinorityInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_839743H4G541_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Total stockholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_051965J6I763_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_FG95812277699K094F4I_us-gaap_LiabilitiesAndStockholdersEquity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Liabilities and Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Total liabilities and stockholders' equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_HI17034499811M216H6K_us-gaap_LiabilitiesAndStockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockNoParValue" xlink:label="loc_839743H4G541_us-gaap_PreferredStockNoParValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_PreferredStockNoParValue" xml:lang="en-US">Preferred stock, par value in dollars</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_PreferredStockNoParValue" xml:lang="en-US">Preferred stock, par value (in dollars per share)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_PreferredStockNoParValue" xlink:to="lab_051965J6I763_us-gaap_PreferredStockNoParValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_FG95812277699K094F4I_us-gaap_PreferredStockSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred stock, shares authorized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_HI17034499811M216H6K_us-gaap_PreferredStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_839743H4G541_us-gaap_PreferredStockSharesIssued"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_PreferredStockSharesIssued" xml:lang="en-US">Preferred stock, shares issued</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_PreferredStockSharesIssued" xlink:to="lab_051965J6I763_us-gaap_PreferredStockSharesIssued"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_FG95812277699K094F4I_us-gaap_PreferredStockSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_PreferredStockSharesOutstanding" xml:lang="en-US">Preferred stock, shares outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_HI17034499811M216H6K_us-gaap_PreferredStockSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockNoParValue" xlink:label="loc_839743H4G541_us-gaap_CommonStockNoParValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CommonStockNoParValue" xml:lang="en-US">Common stock, par value in dollars</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_CommonStockNoParValue" xml:lang="en-US">Common stock, par value (in dollars per share)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CommonStockNoParValue" xlink:to="lab_051965J6I763_us-gaap_CommonStockNoParValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_FG95812277699K094F4I_us-gaap_CommonStockSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CommonStockSharesAuthorized" xml:lang="en-US">Common stock, shares authorized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_HI17034499811M216H6K_us-gaap_CommonStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_839743H4G541_us-gaap_CommonStockSharesIssued"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CommonStockSharesIssued" xml:lang="en-US">Common stock, shares issued</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CommonStockSharesIssued" xlink:to="lab_051965J6I763_us-gaap_CommonStockSharesIssued"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_FG95812277699K094F4I_us-gaap_TreasuryStockShares"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_TreasuryStockShares" xml:lang="en-US">Treasury stock, shares at cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_TreasuryStockShares" xlink:to="lab_HI17034499811M216H6K_us-gaap_TreasuryStockShares"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_839743H4G541_us-gaap_IncomeStatementAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeStatementAbstract" xml:lang="en-US">Income Statement [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeStatementAbstract" xlink:to="lab_051965J6I763_us-gaap_IncomeStatementAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="loc_FG95812277699K094F4I_us-gaap_Revenues"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_Revenues" xml:lang="en-US">Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_Revenues" xml:lang="en-US">Revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_Revenues" xlink:to="lab_HI17034499811M216H6K_us-gaap_Revenues"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_839743H4G541_us-gaap_CostOfRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CostOfRevenue" xml:lang="en-US">Cost of revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_CostOfRevenue" xml:lang="en-US">Cost of revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CostOfRevenue" xlink:to="lab_051965J6I763_us-gaap_CostOfRevenue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_FG95812277699K094F4I_us-gaap_GrossProfit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_GrossProfit" xml:lang="en-US">Gross Profit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_GrossProfit" xml:lang="en-US">Gross profit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_GrossProfit" xlink:to="lab_HI17034499811M216H6K_us-gaap_GrossProfit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_839743H4G541_us-gaap_OperatingExpensesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_OperatingExpensesAbstract" xml:lang="en-US">Operating expenses:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_OperatingExpensesAbstract" xml:lang="en-US">Operating expenses:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_OperatingExpensesAbstract" xlink:to="lab_051965J6I763_us-gaap_OperatingExpensesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_FG95812277699K094F4I_us-gaap_SellingGeneralAndAdministrativeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US">Selling, general and administrative</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US">Selling, general and administrative</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="lab_HI17034499811M216H6K_us-gaap_SellingGeneralAndAdministrativeExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_839743H4G541_us-gaap_ResearchAndDevelopmentExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ResearchAndDevelopmentExpense" xml:lang="en-US">Research and development</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_ResearchAndDevelopmentExpense" xml:lang="en-US">Research and development</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ResearchAndDevelopmentExpense" xlink:to="lab_051965J6I763_us-gaap_ResearchAndDevelopmentExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_FG95812277699K094F4I_us-gaap_OperatingExpenses"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_OperatingExpenses" xml:lang="en-US">Operating Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_OperatingExpenses" xml:lang="en-US">Total operating expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_OperatingExpenses" xlink:to="lab_HI17034499811M216H6K_us-gaap_OperatingExpenses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_839743H4G541_us-gaap_OperatingIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_OperatingIncomeLoss" xml:lang="en-US">Loss from operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_OperatingIncomeLoss" xml:lang="en-US">Loss from operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_OperatingIncomeLoss" xlink:to="lab_051965J6I763_us-gaap_OperatingIncomeLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_FG95812277699K094F4I_us-gaap_NonoperatingIncomeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US">Interest and other expense, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US">Other income (expense), net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NonoperatingIncomeExpense" xlink:to="lab_HI17034499811M216H6K_us-gaap_NonoperatingIncomeExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_839743H4G541_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Income (loss) before income taxes</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US">Loss from continuing operations before income taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeTaxExpenseBenefit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Total income tax expense (benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax expense (benefit)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Income tax benefit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeTaxExpenseBenefit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_839743H4G541_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Income (loss) from continuing operations, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Loss from continuing operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xml:lang="en-US">Discontinued operations (Note 3)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_839743H4G541_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xml:lang="en-US">Gain on sale of our former ASO business</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xml:lang="en-US">Gain on sale of discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xml:lang="en-US">Income (loss) from operations of ASO business (including gain from sale of $25.6 million)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xml:lang="en-US">Gain on sale of discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xml:lang="en-US">Gain on sale of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax" xlink:to="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xlink:label="loc_FG95812277699K094F4I_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xml:lang="en-US">Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xml:lang="en-US">Income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xml:lang="en-US">Income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation" xlink:to="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_839743H4G541_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xml:lang="en-US">Income (loss) on discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:to="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_FG95812277699K094F4I_us-gaap_ProfitLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_ProfitLoss" xml:lang="en-US">Net loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_ProfitLoss" xml:lang="en-US">Net income (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_ProfitLoss" xml:lang="en-US">Net (loss) income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_ProfitLoss" xlink:to="lab_HI17034499811M216H6K_us-gaap_ProfitLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_839743H4G541_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Less: Net loss attributable to noncontrolling interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Net loss attributable to noncontrolling interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Less: Net loss attributable to noncontrolling interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_051965J6I763_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetIncomeLoss" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetIncomeLoss" xml:lang="en-US">Net (loss) income attributable to Astrotech Corporation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetIncomeLoss" xml:lang="en-US">Net (loss) income attributable to Astrotech Corporation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetIncomeLoss" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetIncomeLoss"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_AmountsAttributableToParentBasicAndDilutedAbstract" xlink:label="loc_839743H4G541_astc_AmountsAttributableToParentBasicAndDilutedAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_AmountsAttributableToParentBasicAndDilutedAbstract" xml:lang="en-US">Amounts Attributable To Parent Basic And Diluted [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_astc_AmountsAttributableToParentBasicAndDilutedAbstract" xml:lang="en-US">Amounts attributable to Astrotech Corporation, basic and diluted:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_AmountsAttributableToParentBasicAndDilutedAbstract" xml:lang="en-US">Amounts attributable to Astrotech Corporation:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_AmountsAttributableToParentBasicAndDilutedAbstract" xlink:to="lab_051965J6I763_astc_AmountsAttributableToParentBasicAndDilutedAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeLossFromContinuingOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromContinuingOperations" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromContinuingOperations" xml:lang="en-US">Loss from continuing operations, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromContinuingOperations" xml:lang="en-US">Loss from continuing operations, net of tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeLossFromContinuingOperations" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromContinuingOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_839743H4G541_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xml:lang="en-US">Income (loss) from discontinued operations, net of tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Denominator:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Weighted average common shares outstanding:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_839743H4G541_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic and Diluted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xml:lang="en-US">Denominator for basic net income (loss) per share attributable to Astrotech Corporation - weighted average common stock outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xml:lang="en-US">Basic and diluted (in shares)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:to="lab_051965J6I763_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_EarningsPerShareBasicAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_EarningsPerShareBasicAbstract" xml:lang="en-US">Earnings Per Share, Basic [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_EarningsPerShareBasicAbstract" xml:lang="en-US">Basic and diluted net income (loss) per common share:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_EarningsPerShareBasicAbstract" xml:lang="en-US">Basic net income (loss) per common share:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_EarningsPerShareBasicAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_EarningsPerShareBasicAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare" xlink:label="loc_839743H4G541_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Basic and Diluted Share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare" xml:lang="en-US">Net income (loss) attributable to Astrotech Corporation from continuing operations (In dollars per share)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare" xml:lang="en-US">Net loss attributable to Astrotech Corporation from continuing operations (in dollars per share)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare" xml:lang="en-US">Net loss attributable to Astrotech Corporation from continuing operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare" xlink:to="lab_051965J6I763_us-gaap_IncomeLossFromContinuingOperationsPerBasicAndDilutedShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare" xml:lang="en-US">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare" xml:lang="en-US">Net (loss) income from discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare" xml:lang="en-US">Net income (loss) from discontinued operations (in dollars per share)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicAndDilutedShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_839743H4G541_us-gaap_EarningsPerShareBasicAndDiluted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareBasicAndDiluted" xml:lang="en-US">Earnings Per Share, Basic and Diluted, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareBasicAndDiluted" xml:lang="en-US">Net income attributable to Astrotech Corporation (in dollars per share)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareBasicAndDiluted" xml:lang="en-US">Net (loss) income attributable to Astrotech Corporation applicable to common shareholders</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareBasicAndDiluted" xml:lang="en-US">Net (loss) income attributable to Astrotech Corporation (in dollars per share)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareBasicAndDiluted" xml:lang="en-US">Basic net loss per share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_EarningsPerShareBasicAndDiluted" xlink:to="lab_051965J6I763_us-gaap_EarningsPerShareBasicAndDiluted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_839743H4G541_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xml:lang="en-US">Disposal Group Name [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="lab_051965J6I763_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_FG95812277699K094F4I_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Name [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="lab_HI17034499811M216H6K_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_AstrotechSpaceOperationsMember" xlink:label="loc_839743H4G541_astc_AstrotechSpaceOperationsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_AstrotechSpaceOperationsMember" xml:lang="en-US">Astrotech Space Operations [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_AstrotechSpaceOperationsMember" xml:lang="en-US">Astrotech Space Operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_AstrotechSpaceOperationsMember" xml:lang="en-US">Represents information regarding Astrotech Space Operations.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_AstrotechSpaceOperationsMember" xlink:to="lab_051965J6I763_astc_AstrotechSpaceOperationsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_839743H4G541_us-gaap_StatementOfCashFlowsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US">Statement of Cash Flows [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_051965J6I763_us-gaap_StatementOfCashFlowsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Cash flows from operating activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_IncomeFromDiscontinuedOperationsOne" xlink:label="loc_839743H4G541_astc_IncomeFromDiscontinuedOperationsOne"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_IncomeFromDiscontinuedOperationsOne" xml:lang="en-US">Income From Discontinued Operations One</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_IncomeFromDiscontinuedOperationsOne" xml:lang="en-US">Less: Income from discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_IncomeFromDiscontinuedOperationsOne" xml:lang="en-US">Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_IncomeFromDiscontinuedOperationsOne" xlink:to="lab_051965J6I763_astc_IncomeFromDiscontinuedOperationsOne"/>





<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_NetLossFromContinuingOperationsOne" xlink:label="loc_839743H4G541_astc_NetLossFromContinuingOperationsOne"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_NetLossFromContinuingOperationsOne" xml:lang="en-US">Net Loss From Continuing Operations One</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_NetLossFromContinuingOperationsOne" xml:lang="en-US">Net loss from continuing operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_astc_NetLossFromContinuingOperationsOne" xml:lang="en-US">Net loss from continuing operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_NetLossFromContinuingOperationsOne" xml:lang="en-US">Represents amount of Net loss from continuing operations.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_NetLossFromContinuingOperationsOne" xlink:to="lab_051965J6I763_astc_NetLossFromContinuingOperationsOne"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net loss to net cash used in operating activities:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_839743H4G541_us-gaap_ShareBasedCompensation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ShareBasedCompensation" xml:lang="en-US">Stock-based compensation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_ShareBasedCompensation" xml:lang="en-US">Stock-based compensation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ShareBasedCompensation" xlink:to="lab_051965J6I763_us-gaap_ShareBasedCompensation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_FG95812277699K094F4I_us-gaap_DepreciationAndAmortization"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DepreciationAndAmortization" xlink:to="lab_HI17034499811M216H6K_us-gaap_DepreciationAndAmortization"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_839743H4G541_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Changes in assets and liabilities:</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Changes in assets and liabilities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_051965J6I763_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Accounts receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_839743H4G541_us-gaap_IncreaseDecreaseInAccountsPayable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInAccountsPayable" xml:lang="en-US">Increase (Decrease) in Accounts Payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInAccountsPayable" xml:lang="en-US">Accounts payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="lab_051965J6I763_us-gaap_IncreaseDecreaseInAccountsPayable"/>




<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_839743H4G541_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xml:lang="en-US">Other assets and liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xml:lang="en-US">Other assets and liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xml:lang="en-US">Other assets and liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:to="lab_051965J6I763_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxes" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncreaseDecreaseInIncomeTaxes"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncreaseDecreaseInIncomeTaxes" xml:lang="en-US">Increase (Decrease) in Income Taxes</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncreaseDecreaseInIncomeTaxes" xml:lang="en-US">Income tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncreaseDecreaseInIncomeTaxes" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncreaseDecreaseInIncomeTaxes"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xml:lang="en-US">Net cash used in operating activities-continuing operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="loc_FG95812277699K094F4I_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xml:lang="en-US">Cash Provided by (Used in) Operating Activities, Discontinued Operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xml:lang="en-US">Net cash (used in) provided by operating activities-discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:to="lab_HI17034499811M216H6K_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash (used in) provided by operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Cash flows from investing activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_839743H4G541_us-gaap_PaymentsToAcquireMarketableSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_PaymentsToAcquireMarketableSecurities" xml:lang="en-US">Payments to Acquire Marketable Securities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_PaymentsToAcquireMarketableSecurities" xml:lang="en-US">Purchases of short-term investments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_PaymentsToAcquireMarketableSecurities" xlink:to="lab_051965J6I763_us-gaap_PaymentsToAcquireMarketableSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_FG95812277699K094F4I_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US">Purchases of property and equipment, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="lab_HI17034499811M216H6K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities, Continuing Operations, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xml:lang="en-US">Net cash used in investing activities-continuing operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="loc_FG95812277699K094F4I_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xml:lang="en-US">Cash Provided by (Used in) Investing Activities, Discontinued Operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xml:lang="en-US">Net cash provided by investing activities-discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:to="lab_HI17034499811M216H6K_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net cash provided by investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_051965J6I763_us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xml:lang="en-US">Cash flows from financing activities:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfOtherShortTermDebt" xlink:label="loc_839743H4G541_us-gaap_RepaymentsOfOtherShortTermDebt"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_RepaymentsOfOtherShortTermDebt" xml:lang="en-US">Repayments of Other Short-term Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_RepaymentsOfOtherShortTermDebt" xml:lang="en-US">Repayment of State of Texas funding, including deemed dividend</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_RepaymentsOfOtherShortTermDebt" xlink:to="lab_051965J6I763_us-gaap_RepaymentsOfOtherShortTermDebt"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForRepurchaseOfEquity" xlink:label="loc_FG95812277699K094F4I_us-gaap_PaymentsForRepurchaseOfEquity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_PaymentsForRepurchaseOfEquity" xml:lang="en-US">Payments for Repurchase of Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_PaymentsForRepurchaseOfEquity" xml:lang="en-US">Payments for share buyback program</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_PaymentsForRepurchaseOfEquity" xlink:to="lab_HI17034499811M216H6K_us-gaap_PaymentsForRepurchaseOfEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_839743H4G541_us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Proceeds from Issuance of Common Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Proceeds from common stock issuance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_051965J6I763_us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities, Continuing Operations, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xml:lang="en-US">Net cash used in financing activities-continuing operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="loc_839743H4G541_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xml:lang="en-US">Cash Provided by (Used in) Financing Activities, Discontinued Operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xml:lang="en-US">Net cash used in financing activities-discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:to="lab_051965J6I763_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net cash used in financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_839743H4G541_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Net change in cash and cash equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="lab_051965J6I763_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_839743H4G541_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xml:lang="en-US">Description of the Company and Operating Environment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xml:lang="en-US">General Information</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="lab_051965J6I763_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShortTermInvestmentsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_ShortTermInvestmentsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_ShortTermInvestmentsAbstract" xml:lang="en-US">Short-term Investments [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_ShortTermInvestmentsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_ShortTermInvestmentsAbstract"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ShortTermInvestmentTextBlock" xlink:label="loc_839743H4G541_astc_ShortTermInvestmentTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_ShortTermInvestmentTextBlock" xml:lang="en-US">Short Term Investment [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_ShortTermInvestmentTextBlock" xml:lang="en-US">Short-term Investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_ShortTermInvestmentTextBlock" xml:lang="en-US">Disclosure about detailed information in connection with investments which are classified as short term.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_ShortTermInvestmentTextBlock" xlink:to="lab_051965J6I763_astc_ShortTermInvestmentTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xml:lang="en-US">Discontinued Operations and Disposal Groups [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xml:lang="en-US">Gain on sale of our former ASO business</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xml:lang="en-US">Discontinued Operations &amp; Gain on the Sale of the ASO Business Unit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSaleReceivableAbstract" xlink:label="loc_FG95812277699K094F4I_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSaleReceivableAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSaleReceivableAbstract" xml:lang="en-US">Working Capital And Indemnity Holdback Related To Asset Sale Receivable [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSaleReceivableAbstract" xlink:to="lab_HI17034499811M216H6K_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSaleReceivableAbstract"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale" xlink:label="loc_839743H4G541_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale" xml:lang="en-US">Working Capital And Indemnity Holdback Related To Asset Sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale" xml:lang="en-US">Receivables - Working Capital and Indemnity Holdback Related to Asset Sale</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale" xml:lang="en-US">The entire disclosure for working capital and indemnity holdback related to asset sale.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale" xlink:to="lab_051965J6I763_astc_WorkingCapitalAndIndemnityHoldbackRelatedToAssetSale"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_NoncontrollingInterestAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NoncontrollingInterestAbstract" xml:lang="en-US">Noncontrolling Interest [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NoncontrollingInterestAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_NoncontrollingInterestAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestDisclosureTextBlock" xlink:label="loc_839743H4G541_us-gaap_MinorityInterestDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_MinorityInterestDisclosureTextBlock" xml:lang="en-US">Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_MinorityInterestDisclosureTextBlock" xml:lang="en-US">Noncontrolling Interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_MinorityInterestDisclosureTextBlock" xlink:to="lab_051965J6I763_us-gaap_MinorityInterestDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_EarningsPerShareAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_EarningsPerShareAbstract" xml:lang="en-US">Earnings Per Share [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_EarningsPerShareAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_EarningsPerShareAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_839743H4G541_us-gaap_EarningsPerShareTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US">Net Loss Per Share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US">Net Income (Loss) per Share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_EarningsPerShareTextBlock" xlink:to="lab_051965J6I763_us-gaap_EarningsPerShareTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_RevenueRecognitionAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_RevenueRecognitionAbstract" xml:lang="en-US">Revenue Recognition [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_RevenueRecognitionAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_RevenueRecognitionAbstract"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_RevenueRecognitionTextBlock" xlink:label="loc_839743H4G541_astc_RevenueRecognitionTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_RevenueRecognitionTextBlock" xml:lang="en-US">Revenue Recognition [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_astc_RevenueRecognitionTextBlock" xml:lang="en-US">Revenue Recognition</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_RevenueRecognitionTextBlock" xml:lang="en-US">The entire disclosure for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_RevenueRecognitionTextBlock" xlink:to="lab_051965J6I763_astc_RevenueRecognitionTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_DebtDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DebtDisclosureAbstract" xml:lang="en-US">Debt Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DebtDisclosureAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_DebtDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_839743H4G541_us-gaap_DebtDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DebtDisclosureTextBlock" xml:lang="en-US">Debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DebtDisclosureTextBlock" xlink:to="lab_051965J6I763_us-gaap_DebtDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_FairValueDisclosuresAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_FairValueDisclosuresAbstract" xml:lang="en-US">Fair Value Disclosures [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_FairValueDisclosuresAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_FairValueDisclosuresAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_839743H4G541_us-gaap_FairValueDisclosuresTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value of Financial Instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Measurement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_051965J6I763_us-gaap_FairValueDisclosuresTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_CashAndCashEquivalentsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAbstract" xml:lang="en-US">Cash and Cash Equivalents [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CashAndCashEquivalentsAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_CashAndCashEquivalentsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="loc_839743H4G541_us-gaap_ConcentrationRiskDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ConcentrationRiskDisclosureTextBlock" xml:lang="en-US">Business and Credit Risk Concentration</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_ConcentrationRiskDisclosureTextBlock" xml:lang="en-US">Credit Risk Concentration Involving Cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:to="lab_051965J6I763_us-gaap_ConcentrationRiskDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_StateOfTexasFundingAbstract" xlink:label="loc_FG95812277699K094F4I_astc_StateOfTexasFundingAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_StateOfTexasFundingAbstract" xml:lang="en-US">State Of Texas Funding [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_StateOfTexasFundingAbstract" xml:lang="en-US">State Of Texas Funding Details Narrative</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_StateOfTexasFundingAbstract" xlink:to="lab_HI17034499811M216H6K_astc_StateOfTexasFundingAbstract"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_StateOfTexasFundingTextBlock" xlink:label="loc_839743H4G541_astc_StateOfTexasFundingTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_StateOfTexasFundingTextBlock" xml:lang="en-US">State Of Texas Funding Text Block</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_StateOfTexasFundingTextBlock" xml:lang="en-US">State of Texas Funding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_StateOfTexasFundingTextBlock" xml:lang="en-US">The entire disclosure of State of Texas Funding.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_StateOfTexasFundingTextBlock" xlink:to="lab_051965J6I763_astc_StateOfTexasFundingTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeTaxDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeTaxDisclosureAbstract" xml:lang="en-US">Income Tax Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeTaxDisclosureAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeTaxDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_839743H4G541_us-gaap_IncomeTaxDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US">Income Taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="lab_051965J6I763_us-gaap_IncomeTaxDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_839743H4G541_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">Commitments and Contingencies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="lab_051965J6I763_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="loc_FG95812277699K094F4I_us-gaap_ProceedsFromDivestitureOfBusinesses"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_ProceedsFromDivestitureOfBusinesses" xml:lang="en-US">Sale of business unit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_ProceedsFromDivestitureOfBusinesses" xml:lang="en-US">Sale of business unit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:to="lab_HI17034499811M216H6K_us-gaap_ProceedsFromDivestitureOfBusinesses"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice" xlink:label="loc_839743H4G541_astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice" xml:lang="en-US">Disposal Group Including Discontinued Operation Estimated Purchase Price</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice" xml:lang="en-US">Estimated purchase price</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice" xml:lang="en-US">Represents estimated purchase price of operation.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice" xlink:to="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_WorkingCapitalSurplusDeficit" xlink:label="loc_FG95812277699K094F4I_astc_WorkingCapitalSurplusDeficit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalSurplusDeficit" xml:lang="en-US">Working Capital Surplus Deficit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalSurplusDeficit" xml:lang="en-US">Working capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalSurplusDeficit" xml:lang="en-US">Represents amount of working capital.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_WorkingCapitalSurplusDeficit" xlink:to="lab_HI17034499811M216H6K_astc_WorkingCapitalSurplusDeficit"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DiscontinuedOperationProceedsFromSaleOfBusiness" xlink:label="loc_839743H4G541_astc_DiscontinuedOperationProceedsFromSaleOfBusiness"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_DiscontinuedOperationProceedsFromSaleOfBusiness" xml:lang="en-US">Discontinued Operation, Proceeds From Sale Of Business</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_astc_DiscontinuedOperationProceedsFromSaleOfBusiness" xml:lang="en-US">Received cash for working capital holdback</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_DiscontinuedOperationProceedsFromSaleOfBusiness" xml:lang="en-US">Cash proceeds from the sale of the ASO business</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_DiscontinuedOperationProceedsFromSaleOfBusiness" xml:lang="en-US">Cash inflows from sale of discontinued operations.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_DiscontinuedOperationProceedsFromSaleOfBusiness" xlink:to="lab_051965J6I763_astc_DiscontinuedOperationProceedsFromSaleOfBusiness"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_WorkingCapitalHoldbackReceivable" xlink:label="loc_FG95812277699K094F4I_astc_WorkingCapitalHoldbackReceivable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalHoldbackReceivable" xml:lang="en-US">Working Capital Holdback Receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalHoldbackReceivable" xml:lang="en-US">Working capital holdback receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalHoldbackReceivable" xml:lang="en-US">Receivable for working capital holdback</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_WorkingCapitalHoldbackReceivable" xml:lang="en-US">Amount of working capital holdback receivable.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_WorkingCapitalHoldbackReceivable" xlink:to="lab_HI17034499811M216H6K_astc_WorkingCapitalHoldbackReceivable"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock" xlink:label="loc_839743H4G541_astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock" xml:lang="en-US">Schedule Of Gains And Losses Related To Short Term Investments Designated As Available For Sale Table [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock" xml:lang="en-US">Schedule of gains and losses related to short-term investments designated as available for sale</label>

<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock" xlink:to="lab_051965J6I763_astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock"/><label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_ScheduleOfGainsAndLossesRelatedToShortTermInvestmentsDesignatedAsAvailableForSaleTableTextBlock" xml:lang="en-US">Tabular discloser of gains and losses related to short-term investments designated as available-for-sale</label>






<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:label="loc_839743H4G541_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xml:lang="en-US">Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xml:lang="en-US">Schedule of disposed of major amounts reported in consolidated statements of operation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" xlink:to="lab_051965J6I763_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_FG95812277699K094F4I_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xml:lang="en-US">Schedule of Earnings Per Share Basic and Diluted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xml:lang="en-US">Schedule of earnings per share basic and diluted</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_HI17034499811M216H6K_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:label="loc_839743H4G541_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xml:lang="en-US">Schedule of fair value of financial instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:to="lab_051965J6I763_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" xlink:label="loc_FG95812277699K094F4I_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" xml:lang="en-US">Organization, Consolidation And Presentation Of Financial Statements [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" xml:lang="en-US">Schedule of organization, consolidation and presentation of financial statements.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" xlink:to="lab_HI17034499811M216H6K_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_839743H4G541_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xml:lang="en-US">Related Party [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_051965J6I763_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_FG95812277699K094F4I_us-gaap_RelatedPartyDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_RelatedPartyDomain" xml:lang="en-US">Related Party [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_RelatedPartyDomain" xlink:to="lab_HI17034499811M216H6K_us-gaap_RelatedPartyDomain"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_AstrogenetixMember" xlink:label="loc_839743H4G541_astc_AstrogenetixMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_AstrogenetixMember" xml:lang="en-US">Astrogenetix [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_AstrogenetixMember" xml:lang="en-US">Astrogenetix</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_AstrogenetixMember" xml:lang="en-US">Represents information pertaining to astrogenetix a legal entity.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_AstrogenetixMember" xlink:to="lab_051965J6I763_astc_AstrogenetixMember"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" xlink:label="loc_FG95812277699K094F4I_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" xml:lang="en-US">Organization Consolidation And Presentation Of Financial Statements [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems" xlink:to="lab_HI17034499811M216H6K_astc_OrganizationConsolidationAndPresentationOfFinancialStatementsLineItems"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported" xlink:label="loc_839743H4G541_astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported" xml:lang="en-US">Minimum Number Of Spacecraft Launch Successfully Supported</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported" xml:lang="en-US">Number of spacecraft launch successfully supported</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported" xml:lang="en-US">Represents minimum number of spacecraft launch successfully supported</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported" xlink:to="lab_051965J6I763_astc_MinimumNumberOfSpacecraftLaunchSuccessfullySupported"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_NumberOfShuttleMissionsLaunchSuccessfullySupported" xlink:label="loc_FG95812277699K094F4I_astc_NumberOfShuttleMissionsLaunchSuccessfullySupported"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_NumberOfShuttleMissionsLaunchSuccessfullySupported" xml:lang="en-US">Number Of Shuttle Missions Launch Successfully Supported</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_NumberOfShuttleMissionsLaunchSuccessfullySupported" xml:lang="en-US">Number of shuttle missions successfully supported</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_NumberOfShuttleMissionsLaunchSuccessfullySupported" xml:lang="en-US">Represents the number of successful launch processing support services provided to government and commercial customers.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_NumberOfShuttleMissionsLaunchSuccessfullySupported" xlink:to="lab_HI17034499811M216H6K_astc_NumberOfShuttleMissionsLaunchSuccessfullySupported"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_MinimumNumberOfSpaceFlightsNegotiated" xlink:label="loc_839743H4G541_astc_MinimumNumberOfSpaceFlightsNegotiated"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_MinimumNumberOfSpaceFlightsNegotiated" xml:lang="en-US">Minimum Number Of Space Flights Negotiated</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_MinimumNumberOfSpaceFlightsNegotiated" xml:lang="en-US">Minimum number of space flights negotiated with NASA</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_MinimumNumberOfSpaceFlightsNegotiated" xml:lang="en-US">Represents number of space flight negotiated under the agreement.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_MinimumNumberOfSpaceFlightsNegotiated" xlink:to="lab_051965J6I763_astc_MinimumNumberOfSpaceFlightsNegotiated"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ShortTermInvestmentTable" xlink:label="loc_FG95812277699K094F4I_astc_ShortTermInvestmentTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_ShortTermInvestmentTable" xml:lang="en-US">Short Term Investment [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_ShortTermInvestmentTable" xml:lang="en-US">Represents short term investment.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_ShortTermInvestmentTable" xlink:to="lab_HI17034499811M216H6K_astc_ShortTermInvestmentTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_839743H4G541_us-gaap_InvestmentTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_InvestmentTypeAxis" xml:lang="en-US">Investment Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_InvestmentTypeAxis" xlink:to="lab_051965J6I763_us-gaap_InvestmentTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_FG95812277699K094F4I_us-gaap_InvestmentTypeCategorizationMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_InvestmentTypeCategorizationMember" xml:lang="en-US">Investments [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_InvestmentTypeCategorizationMember" xlink:to="lab_HI17034499811M216H6K_us-gaap_InvestmentTypeCategorizationMember"/>




<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_MutualFundsMember" xlink:label="loc_FG95812277699K094F4I_astc_MutualFundsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_MutualFundsMember" xml:lang="en-US">Mutual Funds [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_MutualFundsMember" xml:lang="en-US">Mutual Funds</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_MutualFundsMember" xml:lang="en-US">Represents mutual funds.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_MutualFundsMember" xlink:to="lab_HI17034499811M216H6K_astc_MutualFundsMember"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ShortTermInvestmentLineItems" xlink:label="loc_839743H4G541_astc_ShortTermInvestmentLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_ShortTermInvestmentLineItems" xml:lang="en-US">Short Term Investment [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_ShortTermInvestmentLineItems" xml:lang="en-US">Represents short term investment.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_ShortTermInvestmentLineItems" xlink:to="lab_051965J6I763_astc_ShortTermInvestmentLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_FG95812277699K094F4I_us-gaap_AvailableForSaleSecuritiesAmortizedCost"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AvailableForSaleSecuritiesAmortizedCost" xml:lang="en-US">Available-for-sale Securities, Amortized Cost Basis</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AvailableForSaleSecuritiesAmortizedCost" xml:lang="en-US">Adjusted Cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:to="lab_HI17034499811M216H6K_us-gaap_AvailableForSaleSecuritiesAmortizedCost"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_839743H4G541_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xml:lang="en-US">Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xml:lang="en-US">Gross Gain</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="lab_051965J6I763_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_FG95812277699K094F4I_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xml:lang="en-US">Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xml:lang="en-US">Gross Loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="lab_HI17034499811M216H6K_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_AvailableForSaleSecuritiesServicesFee" xlink:label="loc_839743H4G541_astc_AvailableForSaleSecuritiesServicesFee"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_AvailableForSaleSecuritiesServicesFee" xml:lang="en-US">Available For Sale Securities Services Fee</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_AvailableForSaleSecuritiesServicesFee" xml:lang="en-US">Service Fee</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_AvailableForSaleSecuritiesServicesFee" xml:lang="en-US">Represents available for sale securities services fee.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_AvailableForSaleSecuritiesServicesFee" xlink:to="lab_051965J6I763_astc_AvailableForSaleSecuritiesServicesFee"/>





<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_839743H4G541_astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Liabilities Assumed Of Disposal Group Including Discontinued Operation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Liabilities assumed by the Buyer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Amount classified as liabilities attributable to disposal group held for sale or disposed of.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation" xlink:to="lab_051965J6I763_astc_LiabilitiesAssumedOfDisposalGroupIncludingDiscontinuedOperation"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold" xlink:label="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold" xml:lang="en-US">Disposal Group Including Discontinued Net Book Value Of Assets Sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold" xml:lang="en-US">Net book value of assets sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold" xml:lang="en-US">Represents aggregate amount of the major classifications and carrying amounts of total assets sold, or to be sold, as part of the disposal group, including a component of the entity (discontinued operation).</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold" xml:lang="en-US">Net book value of assets sold</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold" xlink:to="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedNetBookValueOfAssetsSold"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedOperationOther" xlink:label="loc_839743H4G541_astc_DisposalGroupIncludingDiscontinuedOperationOther"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationOther" xml:lang="en-US">Disposal Group, Including Discontinued Operation Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationOther" xml:lang="en-US">Other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationOther" xml:lang="en-US">Amount classified as other elements attributable to disposal group held for sale or disposed of.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_DisposalGroupIncludingDiscontinuedOperationOther" xlink:to="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationOther"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Assets [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" xml:lang="en-US">Carrying amounts of major classes of assets included as part of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xml:lang="en-US">Accounts receivable, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets" xlink:label="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Prepaid and Other Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets" xml:lang="en-US">Prepaid expenses and other current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets" xlink:to="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Property, Plant and Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xml:lang="en-US">Property and equipment, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets" xlink:label="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Other Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets" xml:lang="en-US">Other assets, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets" xlink:to="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_839743H4G541_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Total assets of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:to="lab_051965J6I763_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Liabilities [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" xml:lang="en-US">Carrying amounts of major classes of liabilities included as part of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Accounts Payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable" xml:lang="en-US">Accounts payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities" xlink:label="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities" xml:lang="en-US">Disposal Group Including Discontinued Operation Accrued Liabilities And Other Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities" xml:lang="en-US">Accrued liabilities and other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities" xml:lang="en-US">Amount classified as accrued liabilities and other liabilities attributable to disposal group held for sale or disposed of.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities" xlink:to="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesAndOtherLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenue" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenue" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Deferred Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenue" xml:lang="en-US">Deferred revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenue" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenue"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable" xlink:label="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable" xml:lang="en-US">Disposal Group Including Discontinued Operation Term Note Payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable" xml:lang="en-US">Term note payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable" xml:lang="en-US">Amount classified as term notes payable attributable to disposal group held for sale or disposed of.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable" xlink:to="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationTermNotePayable"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo" xlink:label="loc_839743H4G541_astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo" xml:lang="en-US">Disposal Group Including Discontinued Operation Deferred Revenue Two</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo" xml:lang="en-US">Deferred revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo" xml:lang="en-US">Amount classified as deferred revenue attributable to disposal group held for sale or disposed of.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo" xlink:to="lab_051965J6I763_astc_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueTwo"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="loc_FG95812277699K094F4I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Liabilities assumed by the Buyer</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Total liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xml:lang="en-US">Total liabilities of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:to="lab_HI17034499811M216H6K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xml:lang="en-US">Revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xlink:label="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Costs of Goods Sold</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xml:lang="en-US">Cost of revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xml:lang="en-US">Cost of revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold" xlink:to="lab_HI17034499811M216H6K_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xlink:label="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xml:lang="en-US">Disposal Group, Including Discontinued Operation, General and Administrative Expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xml:lang="en-US">Selling, general and administrative</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xml:lang="en-US">Selling, general and administrative</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense" xlink:to="lab_051965J6I763_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses" xlink:label="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses" xml:lang="en-US">Disposal Group Including Discontinued Operation Interest Expense And Other Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses" xml:lang="en-US">Other income (expense), net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses" xml:lang="en-US">Amount of interest expense and other expenses allocated to disposal group, including a discontinued operation.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses" xml:lang="en-US">Interest and other expense, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses" xlink:to="lab_HI17034499811M216H6K_astc_DisposalGroupIncludingDiscontinuedOperationInterestExpenseAndOtherExpenses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_839743H4G541_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Income from discontinued operations, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Income on discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Income of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:to="lab_051965J6I763_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_FG95812277699K094F4I_us-gaap_CreditFacilityAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CreditFacilityAxis" xml:lang="en-US">Credit Facility [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CreditFacilityAxis" xlink:to="lab_HI17034499811M216H6K_us-gaap_CreditFacilityAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_839743H4G541_us-gaap_CreditFacilityDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_CreditFacilityDomain" xml:lang="en-US">Credit Facility [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_CreditFacilityDomain" xlink:to="lab_051965J6I763_us-gaap_CreditFacilityDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_FG95812277699K094F4I_us-gaap_SecuredDebtMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_SecuredDebtMember" xml:lang="en-US">Secured Debt [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_SecuredDebtMember" xml:lang="en-US">Secured Debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_SecuredDebtMember" xlink:to="lab_HI17034499811M216H6K_us-gaap_SecuredDebtMember"/>




<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_FG95812277699K094F4I_us-gaap_InterestExpenseDebt"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_InterestExpenseDebt" xml:lang="en-US">Interest Expense, Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_InterestExpenseDebt" xml:lang="en-US">Interest expense, debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_InterestExpenseDebt" xlink:to="lab_HI17034499811M216H6K_us-gaap_InterestExpenseDebt"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="loc_839743H4G541_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xml:lang="en-US">Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xml:lang="en-US">Gain on sale of discontinued operations, net of tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:to="lab_051965J6I763_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestTable" xlink:label="loc_FG95812277699K094F4I_us-gaap_MinorityInterestTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_MinorityInterestTable" xml:lang="en-US">Noncontrolling Interest [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_MinorityInterestTable" xlink:to="lab_HI17034499811M216H6K_us-gaap_MinorityInterestTable"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_FirstDetectMember" xlink:label="loc_839743H4G541_astc_FirstDetectMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_FirstDetectMember" xml:lang="en-US">First Detect [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_FirstDetectMember" xml:lang="en-US">1st Detect</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_FirstDetectMember" xml:lang="en-US">Represents first detect a legal entity.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_FirstDetectMember" xlink:to="lab_051965J6I763_astc_FirstDetectMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LeaseArrangementTypeAxis" xlink:label="loc_FG95812277699K094F4I_us-gaap_LeaseArrangementTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LeaseArrangementTypeAxis" xml:lang="en-US">Lease Arrangement, Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LeaseArrangementTypeAxis" xlink:to="lab_HI17034499811M216H6K_us-gaap_LeaseArrangementTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LeaseArrangementTypeDomain" xlink:label="loc_839743H4G541_us-gaap_LeaseArrangementTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_LeaseArrangementTypeDomain" xml:lang="en-US">Lease Arrangement, Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_LeaseArrangementTypeDomain" xlink:to="lab_051965J6I763_us-gaap_LeaseArrangementTypeDomain"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_TexasEmergingTechnologyFundMember" xlink:label="loc_FG95812277699K094F4I_astc_TexasEmergingTechnologyFundMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_TexasEmergingTechnologyFundMember" xml:lang="en-US">Texas Emerging Technology Fund [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_TexasEmergingTechnologyFundMember" xml:lang="en-US">Texas emerging technology fund</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_TexasEmergingTechnologyFundMember" xml:lang="en-US">Represents texas emerging technology fund a legal entity to the transaction.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_TexasEmergingTechnologyFundMember" xlink:to="lab_HI17034499811M216H6K_astc_TexasEmergingTechnologyFundMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestLineItems" xlink:label="loc_839743H4G541_us-gaap_MinorityInterestLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_MinorityInterestLineItems" xml:lang="en-US">Noncontrolling Interest [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_MinorityInterestLineItems" xlink:to="lab_051965J6I763_us-gaap_MinorityInterestLineItems"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_DescriptionOfOwnershipPercentageInSubsidiaries" xlink:label="loc_FG95812277699K094F4I_astc_DescriptionOfOwnershipPercentageInSubsidiaries"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_DescriptionOfOwnershipPercentageInSubsidiaries" xml:lang="en-US">Description Of Ownership Percentage In Subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_DescriptionOfOwnershipPercentageInSubsidiaries" xml:lang="en-US">Ownership percentage description in subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_DescriptionOfOwnershipPercentageInSubsidiaries" xml:lang="en-US">Represents ownership interest related information of subsidiary.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_DescriptionOfOwnershipPercentageInSubsidiaries" xlink:to="lab_HI17034499811M216H6K_astc_DescriptionOfOwnershipPercentageInSubsidiaries"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_PaymentOfCommonStockRepurchaseRight" xlink:label="loc_839743H4G541_astc_PaymentOfCommonStockRepurchaseRight"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_PaymentOfCommonStockRepurchaseRight" xml:lang="en-US">Payment Of Common Stock Repurchase Right</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_PaymentOfCommonStockRepurchaseRight" xml:lang="en-US">Payment of common stock repurchase right</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_PaymentOfCommonStockRepurchaseRight" xml:lang="en-US">Represents common stock repurchase right.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_PaymentOfCommonStockRepurchaseRight" xlink:to="lab_051965J6I763_astc_PaymentOfCommonStockRepurchaseRight"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:label="loc_FG95812277699K094F4I_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xml:lang="en-US">Income Amounts Attributable to Parent, Disclosures [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xml:lang="en-US">Numerator:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:to="lab_HI17034499811M216H6K_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:label="loc_839743H4G541_us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_PreferredStockDividendsIncomeStatementImpact" xml:lang="en-US">Preferred Stock Dividends, Income Statement Impact</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_051965J6I763_us-gaap_PreferredStockDividendsIncomeStatementImpact" xml:lang="en-US">State of Texas deemed dividend (Note 11)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:to="lab_051965J6I763_us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_FG95812277699K094F4I_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net (loss) income attributable to Astrotech Corporation applicable to common shareholders</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="lab_HI17034499811M216H6K_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_839743H4G541_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Denominator for basic net loss per share - weighted average common stock outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Denominator for basic net income (loss) per share attributable to Astrotech Corporation - weighted average common stock outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Basic (in shares)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_051965J6I763_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_FG95812277699K094F4I_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Dilutive common stock equivalents, common stock options and share-based awards</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xml:lang="en-US">Dilutive common stock equivalents - common stock options and share-based awards</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="lab_HI17034499811M216H6K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_839743H4G541_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Denominator for diluted net loss per share weighted average common stock outstanding and dilutive common stock equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Diluted (In shares)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Denominator for diluted net income (loss) per share attributable to Astrotech Corporation - weighted average common stock outstanding and dilutive common stock equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_051965J6I763_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Denominator for diluted net income (loss) per share attributable to Astrotech Corporation - weighted average common stock outstanding and dilutive common stock equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_051965J6I763_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_FG95812277699K094F4I_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US">Options to purchase shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_HI17034499811M216H6K_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="loc_839743H4G541_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xml:lang="en-US">Exercise price lower range</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:to="lab_051965J6I763_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="loc_FG95812277699K094F4I_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xml:lang="en-US">Exercise price upper range</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:to="lab_HI17034499811M216H6K_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_839743H4G541_us-gaap_LineOfCreditFacilityTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_LineOfCreditFacilityTable" xml:lang="en-US">Line of Credit Facility [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_LineOfCreditFacilityTable" xlink:to="lab_051965J6I763_us-gaap_LineOfCreditFacilityTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_FG95812277699K094F4I_us-gaap_RevolvingCreditFacilityMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_RevolvingCreditFacilityMember" xml:lang="en-US">Revolving Credit Facility</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_RevolvingCreditFacilityMember" xlink:to="lab_HI17034499811M216H6K_us-gaap_RevolvingCreditFacilityMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_839743H4G541_us-gaap_LineOfCreditFacilityLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_LineOfCreditFacilityLineItems" xml:lang="en-US">Credit Facility [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_LineOfCreditFacilityLineItems" xlink:to="lab_051965J6I763_us-gaap_LineOfCreditFacilityLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_FG95812277699K094F4I_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Credit facility</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Credit facility, maximum borrowing capacity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_HI17034499811M216H6K_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_839743H4G541_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Credit facility expiration date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US">Credit facility expiration date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="lab_051965J6I763_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityDescription" xlink:label="loc_FG95812277699K094F4I_us-gaap_LineOfCreditFacilityDescription"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LineOfCreditFacilityDescription" xml:lang="en-US">Credit facilities financing arrangements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LineOfCreditFacilityDescription" xml:lang="en-US">Credit facilities financing arrangements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LineOfCreditFacilityDescription" xlink:to="lab_HI17034499811M216H6K_us-gaap_LineOfCreditFacilityDescription"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_839743H4G541_us-gaap_FairValueByBalanceSheetGroupingTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_FairValueByBalanceSheetGroupingTable" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="lab_051965J6I763_us-gaap_FairValueByBalanceSheetGroupingTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_FG95812277699K094F4I_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US">Fair Value, Hierarchy [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_HI17034499811M216H6K_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_839743H4G541_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US">Fair Value Measurements Fair Value Hierarchy [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_051965J6I763_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_FG95812277699K094F4I_us-gaap_FairValueInputsLevel1Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US">Fair Value Inputs Level 1</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_HI17034499811M216H6K_us-gaap_FairValueInputsLevel1Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_839743H4G541_us-gaap_FairValueInputsLevel2Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_FairValueInputsLevel2Member" xml:lang="en-US">Fair Value Inputs Level 2</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_051965J6I763_us-gaap_FairValueInputsLevel2Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_FG95812277699K094F4I_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="lab_HI17034499811M216H6K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>




<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_FG95812277699K094F4I_us-gaap_DebtInstrumentCarryingAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Note payable, carrying amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DebtInstrumentCarryingAmount" xml:lang="en-US">Note Payable, carrying amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DebtInstrumentCarryingAmount" xlink:to="lab_HI17034499811M216H6K_us-gaap_DebtInstrumentCarryingAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_839743H4G541_us-gaap_DebtInstrumentFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_DebtInstrumentFairValue" xml:lang="en-US">Note payable, fair value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_DebtInstrumentFairValue" xml:lang="en-US">Note Payable, fair value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_DebtInstrumentFairValue" xlink:to="lab_051965J6I763_us-gaap_DebtInstrumentFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashFDICInsuredAmount" xlink:label="loc_FG95812277699K094F4I_us-gaap_CashFDICInsuredAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashFDICInsuredAmount" xml:lang="en-US">Cash, FDIC Insured Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_CashFDICInsuredAmount" xml:lang="en-US">FDIC insurance amount per depositor</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_CashFDICInsuredAmount" xlink:to="lab_HI17034499811M216H6K_us-gaap_CashFDICInsuredAmount"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_StateOfTexasFundingTable" xlink:label="loc_839743H4G541_astc_StateOfTexasFundingTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_StateOfTexasFundingTable" xml:lang="en-US">State Of Texas Funding [Table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_StateOfTexasFundingTable" xml:lang="en-US">Represents tabular disclosure regarding state of texas funding.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_StateOfTexasFundingTable" xlink:to="lab_051965J6I763_astc_StateOfTexasFundingTable"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_StateOfTexasFundingLineItems" xlink:label="loc_FG95812277699K094F4I_astc_StateOfTexasFundingLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_StateOfTexasFundingLineItems" xml:lang="en-US">State Of Texas Funding [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_StateOfTexasFundingLineItems" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_StateOfTexasFundingLineItems" xlink:to="lab_HI17034499811M216H6K_astc_StateOfTexasFundingLineItems"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_FundsAwardedForDevelopmentAndMarketing" xlink:label="loc_839743H4G541_astc_FundsAwardedForDevelopmentAndMarketing"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_FundsAwardedForDevelopmentAndMarketing" xml:lang="en-US">Funds Awarded For Development And Marketing</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_FundsAwardedForDevelopmentAndMarketing" xml:lang="en-US">Funds awarded for development and marketing</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_FundsAwardedForDevelopmentAndMarketing" xml:lang="en-US">Represents funds awarded for specified purposes.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_FundsAwardedForDevelopmentAndMarketing" xlink:to="lab_051965J6I763_astc_FundsAwardedForDevelopmentAndMarketing"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_FG95812277699K094F4I_us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Texas Emerging Technology Fund, accrued interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Note payable interest rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_HI17034499811M216H6K_us-gaap_DebtInstrumentInterestRateStatedPercentage"/>

















































<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_TaxableGainDueToDispositionOfDiscontinuedOperations" xlink:label="loc_839743H4G541_astc_TaxableGainDueToDispositionOfDiscontinuedOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_TaxableGainDueToDispositionOfDiscontinuedOperations" xml:lang="en-US">Taxable Gain Due To Disposition Of Discontinued Operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_TaxableGainDueToDispositionOfDiscontinuedOperations" xml:lang="en-US">Taxable gain due to disposition of discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_TaxableGainDueToDispositionOfDiscontinuedOperations" xml:lang="en-US">Amount of taxable gain due to disposition of discontinued operations.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_TaxableGainDueToDispositionOfDiscontinuedOperations" xlink:to="lab_051965J6I763_astc_TaxableGainDueToDispositionOfDiscontinuedOperations"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_TaxableGainOffset" xlink:label="loc_FG95812277699K094F4I_astc_TaxableGainOffset"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_astc_TaxableGainOffset" xml:lang="en-US">Taxable Gain Offset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_astc_TaxableGainOffset" xml:lang="en-US">Taxable gain offset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_HI17034499811M216H6K_astc_TaxableGainOffset" xml:lang="en-US">Amount of taxable gain offset.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_astc_TaxableGainOffset" xlink:to="lab_HI17034499811M216H6K_astc_TaxableGainOffset"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_FederalAndStateTaxImpactOfDispositionGainNet" xlink:label="loc_839743H4G541_astc_FederalAndStateTaxImpactOfDispositionGainNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_astc_FederalAndStateTaxImpactOfDispositionGainNet" xml:lang="en-US">Federal And State Tax Impact Of Disposition Gain Net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_astc_FederalAndStateTaxImpactOfDispositionGainNet" xml:lang="en-US">Federal and state tax impact of disposition gain net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_051965J6I763_astc_FederalAndStateTaxImpactOfDispositionGainNet" xml:lang="en-US">Federal and state tax impact of disposition gain net of the losses incurred during period.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_astc_FederalAndStateTaxImpactOfDispositionGainNet" xlink:to="lab_051965J6I763_astc_FederalAndStateTaxImpactOfDispositionGainNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="loc_FG95812277699K094F4I_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xml:lang="en-US">Unrecognized Tax Benefits, Period Increase (Decrease)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xml:lang="en-US">Unrecognized tax benefit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:to="lab_HI17034499811M216H6K_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_839743H4G541_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_051965J6I763_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_051965J6I763_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US">Federal statutory effective tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_839743H4G541_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="lab_051965J6I763_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationSettlementAmount" xlink:label="loc_FG95812277699K094F4I_us-gaap_LitigationSettlementAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_HI17034499811M216H6K_us-gaap_LitigationSettlementAmount" xml:lang="en-US">Litigation Settlement, Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_HI17034499811M216H6K_us-gaap_LitigationSettlementAmount" xml:lang="en-US">Lump sum payment received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_FG95812277699K094F4I_us-gaap_LitigationSettlementAmount" xlink:to="lab_HI17034499811M216H6K_us-gaap_LitigationSettlementAmount"/>




<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock" xlink:label="loc_astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock"/>
<label xlink:type="resource" xlink:label="lab_astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schedule Of Disposal Groups Including Discontinued Operations Total Pre Tax Gain On Sale Table [Text Block]</label>

<label xlink:type="resource" xlink:label="lab_astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Schedule of total pre tax gain on the sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock" xlink:to="lab_astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock"/><label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_astc_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsTotalPreTaxGainOnSaleTableTextBlock" xml:lang="en-US">Tabular disclosure of total pre-tax gain on the sale disposal groups.</label>





<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ShortTermInvestmentsFairValue" xlink:label="loc_astc_ShortTermInvestmentsFairValue"/>
<label xlink:type="resource" xlink:label="lab_astc_ShortTermInvestmentsFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short Term Investments Fair Value</label>
<label xlink:type="resource" xlink:label="lab_astc_ShortTermInvestmentsFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represents amount of fair value for short term investments fair value.</label>
<label xlink:type="resource" xlink:label="lab_astc_ShortTermInvestmentsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fair Value</label>
<label xlink:type="resource" xlink:label="lab_astc_ShortTermInvestmentsFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Short-Term Investments, fair value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_ShortTermInvestmentsFairValue" xlink:to="lab_astc_ShortTermInvestmentsFairValue"/>




<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis"/>
<label xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis" xlink:to="lab_us-gaap_DebtInstrumentAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain"/>
<label xlink:type="resource" xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Debt Instrument, Name [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain" xlink:to="lab_us-gaap_DebtInstrumentNameDomain"/>




<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_TermLoanMember" xlink:label="loc_astc_TermLoanMember"/>
<label xlink:type="resource" xlink:label="lab_astc_TermLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Term Loan [Member]</label>
<label xlink:type="resource" xlink:label="lab_astc_TermLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represents information of term loan of the entity.</label>
<label xlink:type="resource" xlink:label="lab_astc_TermLoanMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Term Loan</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_TermLoanMember" xlink:to="lab_astc_TermLoanMember"/>



<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentOfDebtMember" xlink:label="loc_us-gaap_RepaymentOfDebtMember"/>
<label xlink:type="resource" xlink:label="lab_us-gaap_RepaymentOfDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Repayment of Debt [Member] (Deprecated 2013-01-31)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentOfDebtMember" xlink:to="lab_us-gaap_RepaymentOfDebtMember"/>
<loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfDebt"/>
<label xlink:type="resource" xlink:label="lab_us-gaap_RepaymentsOfDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Payment of outstanding balance of term loan</label>
<label xlink:type="resource" xlink:label="lab_us-gaap_RepaymentsOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Repayments Of Debt</label>
<labelArc xlink:type="arc" xlink:from="loc_us-gaap_RepaymentsOfDebt" xlink:to="lab_us-gaap_RepaymentsOfDebt" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label"/>





<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_MutualFundsCarringValue" xlink:label="loc_astc_MutualFundsCarringValue"/>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsCarringValue" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mutual Funds Carrying Value</label>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsCarringValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represents the carrying value of the mutual funds.</label>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsCarringValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Mutual Funds, Carrying Amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_MutualFundsCarringValue" xlink:to="lab_astc_MutualFundsCarringValue"/>




<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_MutualFundsFairValue" xlink:label="loc_astc_MutualFundsFairValue"/>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mutual Funds Fair Value</label>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US">This element represents amount of fair value for mutual funds.</label>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Mutual Funds, Fair Value</label>
<label xlink:type="resource" xlink:label="lab_astc_MutualFundsFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Short-Term Investments, fair value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_MutualFundsFairValue" xlink:to="lab_astc_MutualFundsFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
<label xlink:type="resource" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax</label>
<label xlink:type="resource" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Gain on sale of discontinued operations</label>
<label xlink:type="resource" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Income (loss) from operations of ASO business (including gain from sale of $25.6 million)</label>
<label xlink:type="resource" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xml:lang="en-US">Gain on sale of discontinued operations</label>
<label xlink:type="resource" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xml:lang="en-US">Gain on sale of discontinued operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" xlink:to="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
<loc xlink:type="locator" xlink:href="astc-20141231.xsd#astc_ReductionInContinuingOperationsTaxBenefit" xlink:label="loc_astc_ReductionInContinuingOperationsTaxBenefit_1"/>
<label xlink:type="resource" xlink:label="lab_astc_ReductionInContinuingOperationsTaxBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Reduction In Continuing Operations Tax Benefit</label>
<label xlink:type="resource" xlink:label="lab_astc_ReductionInContinuingOperationsTaxBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Reduction in continuing operations tax benefit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_astc_ReductionInContinuingOperationsTaxBenefit_1" xlink:to="lab_astc_ReductionInContinuingOperationsTaxBenefit"/><label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_astc_ReductionInContinuingOperationsTaxBenefit" xml:lang="en-US">This element represents amount of continuing operations tax benefit reduced due to reclassification adjustments.</label>

<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
<label xlink:type="resource" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</label>
<label xlink:type="resource" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Effective tax rate for continuing operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
</labelLink></linkbase>
