Entity Central Index Key This element represents the carrying value of the mutual funds. Held-to-maturity Securities, Debt Maturities, after One Through Three Years, Net Carrying Amount Held-To-Maturity Securities, Debt Maturities, 91 To 360 Days, Net Carrying Amount Held-To-Maturity Securities, Debt Maturities, Over 360 Days, Net Carrying Amount This element represents amount of fair value for mutual funds. Held-to-maturity Securities, Debt Maturities, after One Through Three Years, Fair Value Held-To-Maturity Securities, Debt Maturities, 91 To 360 Days, Fair Value Held-To-Maturity Securities, Debt Maturities, Over 360 Days, Fair Value Effective income tax rate reconciliation change in temporary tax adjustments. Document and entity information. Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Trading Symbol Trading Symbol Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Well-known Seasoned Issuer Entity Well Known Seasoned Issuer Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Entity Public Float Entity Public Float Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Deferred Revenue And Accrued Liabilities Statement Of Financial Position [Abstract] Assets Assets [Abstract] Current assets Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Short-term investments Available For Sale Securities Current Accounts receivable Accounts Receivable Net Current Inventory, net Inventory Net Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net Property Plant And Equipment Net Long-term investments Available For Sale Securities Noncurrent Other assets, net Other Assets Noncurrent Total assets Assets Liabilities and stockholders’ equity Liabilities And Stockholders Equity [Abstract] Current liabilities Liabilities Current [Abstract] Accounts payable Accounts Payable Current Payroll related accruals Employee Related Liabilities Current Accrued and other liabilities Deferred Revenue And Accrued Liabilities Income tax payable Accrued Income Taxes Current Total current liabilities Liabilities Current Other liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 15) Commitments And Contingencies Stockholders’ equity Stockholders Equity [Abstract] Preferred stock, $0.001 par value, convertible, 2,500,000 shares authorized, no shares issued and outstanding at June 30, 2018 and June 30, 2017 Preferred Stock Value Common stock, $0.001 par value, 15,000,000 shares authorized; 4,496,873 and 4,508,509 shares issued at June 30, 2018 and June 30, 2017, respectively; 4,097,346 and 4,111,281 shares outstanding at June 30, 2018 and June 30, 2017, respectively Common Stock Value Treasury stock, 399,527 and 397,228 shares at cost at June 30, 2018 and June 30, 2017, respectively Treasury Stock Value Additional paid-in capital Additional Paid In Capital Accumulated deficit Retained Earnings Accumulated Deficit Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Preferred stock, par value (in dollars per share) Preferred Stock No Par Value Preferred stock, shares authorized (in shares) Preferred Stock Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock Shares Outstanding Common stock, par value (in dollars per share) Common Stock No Par Value Common stock, shares authorized (in shares) Common Stock Shares Authorized Common stock, shares issued (in shares) Common Stock Shares Issued Common stock, shares outstanding (in shares) Common Stock Shares Outstanding Treasury stock, shares at cost (in shares) Treasury Stock Shares Income Statement [Abstract] Revenue Revenues Cost of revenue Cost Of Revenue Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling General And Administrative Expense Research and development Research And Development Expense Loss on impairment of long-lived assets Impairment Of Long Lived Assets Held For Use Total operating expenses Operating Expenses Loss from operations Operating Income Loss Interest and other income, net Nonoperating Income Expense Loss from operations before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Income tax expense Income Tax Expense Benefit Net loss Profit Loss Less: Net loss attributable to noncontrolling interest Net Income Loss Attributable To Noncontrolling Interest Net loss attributable to Astrotech Corporation Net Income Loss Weighted average common shares outstanding: Earnings Per Share Basic And Diluted Other Disclosures [Abstract] Basic and diluted (in shares) Weighted Average Number Of Share Outstanding Basic And Diluted Basic and diluted net loss per common share: Earnings Per Share Basic And Diluted [Abstract] Net loss attributable to Astrotech Corporation (in dollars per share) Earnings Per Share Basic And Diluted Other comprehensive loss, net of tax: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Net loss attributable to Astrotech Corporation Available-for-sale securities Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent [Abstract] Net unrealized losses, net of zero tax expense Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Reclassification adjustment for realized losses included in net loss, net of zero tax expense Other Comprehensive Income Loss Reclassification Adjustment From A O C I For Writedown Of Securities Net Of Tax Total comprehensive loss attributable to Astrotech Corporation Comprehensive Income Net Of Tax Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Equity Components Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock Common Stock [Member] Treasury Stock Amount Treasury Stock [Member] Additional Paid-In Capital Additional Paid In Capital [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income [Member] Non- Controlling Interest Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase Decrease In Stockholders Equity Roll Forward Balance, beginning of period Stockholders Equity Including Portion Attributable To Noncontrolling Interest Balance (in shares) Shares Outstanding Net change in available-for-sale debt and marketable equity securities Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax Stock-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options Forfeiture of stock-based compensation Stock Issued During Period Value Share Based Compensation Forfeited Forfeiture of stock-based compensation (in shares) Stock Issued During Period Shares Share Based Compensation Forfeited Exercise of stock options Stock Issued During Period Value Stock Options Exercised Exercise of stock options (in shares) Stock Issued During Period Shares Share Based Compensation Cancellation of restricted stock Stock Issued During Period Value Restricted Stock Award Forfeitures Cancellation of restricted stock (in shares) Stock Issued During Period Shares Restricted Stock Award Forfeited Share repurchases Treasury Stock Value Acquired Cost Method Share repurchases (in shares) Treasury Stock Shares Acquired Restricted stock issuance Stock Issued During Period Value Restricted Stock Award Gross Restricted stock issuance (in shares) Stock Issued During Period Shares Restricted Stock Award Gross Acquisition of non-controlling interest Noncontrolling Interest Increase From Subsidiary Equity Issuance Net loss Balance, end of period Balance (in shares) Statement Of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss from operations to net cash used in operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Stock-based compensation Share Based Compensation Amortization Adjustment For Amortization Depreciation Depreciation Net loss on sale of available-for-sale investment Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments Net loss on impairment on long-lived assets Changes in assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Cost, estimated earnings and billings, net of uncompleted contracts Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract Accounts payable Increase Decrease In Accounts Payable Other assets and liabilities Increase Decrease In Other Operating Capital Net Income tax payable Increase Decrease In Income Taxes Net cash used in operating activities Net Cash Provided By Used In Operating Activities Cash flows from investing activities: Net Cash Provided By Used In Investing Activities [Abstract] Sale of available-for-sale investments Proceeds From Sale Of Available For Sale Securities Maturities of securities Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities Purchases of property and equipment Payments To Acquire Property Plant And Equipment Net cash provided by investing activities Net Cash Provided By Used In Investing Activities Cash flows from financing activities: Net Cash Provided By Used In Financing Activities [Abstract] Payments for share repurchase Payments For Repurchase Of Equity Proceeds from exercise of stock options Proceeds From Issuance Of Common Stock Net cash used in financing activities Net Cash Provided By Used In Financing Activities Net change in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid Net Income taxes paid Income Taxes Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Description of the Company and Operating Environment Business Description And Basis Of Presentation [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Going Concern Substantial Doubt About Going Concern [Text Block] Investments Debt And Equity Securities [Abstract] Investments Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] Noncontrolling Interest [Abstract] Noncontrolling Interest Minority Interest Disclosure [Text Block] Property Plant And Equipment [Abstract] Property and Equipment Property Plant And Equipment Disclosure [Text Block] Payables And Accruals [Abstract] Accrued and Other Liabilities Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block] Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Risks And Uncertainties [Abstract] Business Risk and Credit Risk Concentration Involving Cash Concentration Risk Disclosure [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Earnings Per Share [Abstract] Net Loss per Share Earnings Per Share [Text Block] Compensation And Retirement Disclosure [Abstract] Employee Benefit Plans Compensation And Employee Benefit Plans [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Principles of Consolidation and Basis of Presentation Consolidation Policy [Text Block] Use of Estimates Use Of Estimates Revenue Recognition Revenue Recognition Policy [Text Block] Production unit sales and software licensing agreements. Production Unit Sales and Software Licensing Agreements Production Unit Sales And Software Licensing Agreements Policy [Text Block] Construction-Type and Production-Type Contracts Revenue Recognition Multiple Element Arrangements Research and Development Research And Development Expense Policy Net Loss per Common Share Earnings Per Share Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Policy [Text Block] Accounts Receivable Receivables Policy [Text Block] Inventory Inventory Policy [Text Block] Property and Equipment Property Plant And Equipment Policy [Text Block] Impairment of Long-Lived Assets Impairment Or Disposal Of Long Lived Assets Including Intangible Assets Policy Policy [Text Block] Fair Value of Financial Instruments Fair Value Of Financial Instruments Policy Available-for-Sale Investments Marketable Securities Policy Operating Leases Lessee Leases Policy [Text Block] Share-Based Compensation Share Based Compensation Option And Incentive Plans Policy Noncontrolling Interest Consolidation Subsidiaries Or Other Investments Consolidated Entities Policy Income Taxes Income Tax Policy [Text Block] Treasury Stock Stockholders Equity Policy [Text Block] Accounting Pronouncements New Accounting Pronouncements Policy Policy [Text Block] Schedule of available-for-sale securities Available For Sale Securities [Text Block] Schedule of held-to-maturity securities Held To Maturity Securities [Text Block] Schedule of noncontrolling interest Redeemable Noncontrolling Interest Table [Text Block] Schedule of property and equipment Property Plant And Equipment [Text Block] Schedule of accrued liabilities and other current liabilities. Schedule of accrued liabilities and other current liabilities Schedule Of Accrued Liabilities And Other Current Liabilities Table [Text Block] Schedule of fair value of financial instruments Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block] Schedule of concentrations of sales and accounts receivable Schedules Of Concentration Of Risk By Risk Factor [Text Block] Schedule of stock option activity Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Schedule of stock options by exercise price Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Text Block] Schedule of restricted stock activity Schedule Of Unvested Restricted Stock Units Roll Forward Table [Text Block] Schedule of share-based compensation fair value Schedule Of Share Based Payment Award Employee Stock Purchase Plan Valuation Assumptions Table [Text Block] Schedule of components of income tax expense Schedule Of Components Of Income Tax Expense Benefit Table [Text Block] Schedule of effective income tax rate reconciliation Schedule Of Effective Income Tax Rate Reconciliation Table [Text Block] Schedule of deferred tax assets and liabilities Schedule Of Deferred Tax Assets And Liabilities Table [Text Block] Schedule of earnings per share basic and diluted Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule of contractual obligation fiscal year maturity Contractual Obligation Fiscal Year Maturity Schedule Table [Text Block] Schedule of segment reporting information by segment Schedule Of Segment Reporting Information By Segment [Text Block] Number of reportable business units Number Of Reporting Units Number of operating segments Number Of Operating Segments Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Product and Service Product Or Service [Axis] Product and Service Products And Services [Domain] Mass spectrometers. Mass Spectrometers Mass Spectrometers [Member] Property, Plant and Equipment, Type Property Plant And Equipment By Type [Axis] Property, Plant and Equipment, Type Property Plant And Equipment Type [Domain] Purchased Software [Member] Purchased Software Purchased Software [Member] Legal Entity Legal Entity [Axis] Entity Entity [Domain] Astral Images, Inc. Astral Images, Inc Astral Images Inc [Member] Leasehold improvements and other assets. Leasehold Improvements and Other Assets Leasehold Improvements And Other Assets [Member] Property Plant And Equipment [Line Items] Property Plant And Equipment [Line Items] Reverse stock split ratio Stockholders Equity Note Stock Split Conversion Ratio1 Undelivered elements. Undelivered elements Undelivered Elements Unrecognized contract revenues. Unrecognized contract costs. Unrecognized contract revenues Unrecognized Contract Revenues Unrecognized contract costs Unrecognized Contract Costs Allowance for doubtful accounts Allowance For Doubtful Accounts Receivable Current Estimated useful life Property Plant And Equipment Useful Life Original lease area of land removed. Impairment charge of long-lived assets Asset Impairment Charges Original lease area of land removed Original Lease Area Of Land Removed Working Capital (Deficit) Surplus Working capital Working Capital Deficit Surplus Net loss Net cash used in operating activities Investment [Table] Investment [Table] Investment Type Investment Type [Axis] Investments Investment Type Categorization [Member] Mutual Funds - Corporate & Government Debt Mutual Fund [Member] Fixed Income Bonds Fixed Income Investments [Member] Time Deposits Bank Time Deposits [Member] Investment [Line Items] Investment [Line Items] Available-for-sale securities Available For Sale Securities [Abstract] Adjusted Cost Available For Sale Securities Amortized Cost Unrealized Gain Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax Unrealized Loss Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax Fair Value Available For Sale Securities Available for sale securities maturities 91 To 360 days net carrying value. Schedule Of Held To Maturity Securities [Table] Schedule Of Held To Maturity Securities [Table] Schedule of Available-for-sale and Held-to-maturity Securities [Line Items] Schedule Of Held To Maturity Securities [Line Items] Available-for-sale securities, short-term investments Available-for-sale securities maturities from 91-360 days, short-term investments Available For Sale Securities Maturities91 To360 Days Net Carrying Value Available-for-sale securities maturities less than 1 year, short-term investments Available For Sale Securities Debt Maturities Within One Year Amortized Cost Available for sale securities maturities over 360 days net carrying value. Available for sale securities debt maturities after one year through three years carrying value. Available-for-sale securities maturities over 360 days, long-term investments Available For Sale Securities Maturities Over360 Days Net Carrying Value Available-for-sale securities maturities from 1-3 years, long-term investments Available For Sale Securities Debt Maturities After One Year Through Three Years Carrying Value Available-for-sale securities, long-term investments Minority Interest [Table] Minority Interest [Table] Noncontrolling Interest [Line Items] Minority Interest [Line Items] Ownership percentage Minority Interest Ownership Percentage By Parent Consolidated Entities Consolidated Entities [Axis] Consolidated Entities Consolidated Entities [Domain] ASTC Contribution Parent Company [Member] Noncontrolling Owner Subsidiaries [Member] Contributions made Contributions made Minority Interest Decrease From Distributions To Noncontrolling Interest Holders Beginning balance Minority Interest Ending balance Furniture, fixtures, equipment and leasehold improvements. Furniture, Fixtures, Equipment & Leasehold Improvements Furniture Fixtures Equipment And Leasehold Improvements [Member] Software Software And Software Development Costs [Member] Capital Improvements in Progress Construction In Progress [Member] Gross Property and Equipment Property Plant And Equipment Gross Accumulated Depreciation Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property and Equipment, net Depreciation and amortization expense Depreciation Depletion And Amortization Deferred Revenue And Accrued Liabilities, Including Payroll Related Liabilities Accrued payroll, bonuses, and other payroll related liabilities Accrued expenses Accrued Professional Fees Current Other current liabilities Other Liabilities Current Total Deferred Revenue And Accrued Liabilities Including Payroll Related Liabilities Long-term debt Long Term Debt Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value Hierarchy and NAV Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Hierarchy and NAV Fair Value Measurements Fair Value Hierarchy [Domain] Level 1 Fair Value Inputs Level1 [Member] Level 2 Fair Value Inputs Level2 [Member] Level 3 Fair Value Inputs Level3 [Member] Available-for-Sale Securities Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] Mutual funds Mutual Funds Carrying Value Held-to-maturity securities, maturities less than 1 year Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount Held-to-maturity securities, remaining maturities from 1-3 years Held To Maturity Securities Debt Maturities After One Through Three Years Net Carrying Amount Held-to-maturity securities, maturities from 91-360 days Held To Maturity Securities Debt Maturities91 To360 Days Net Carrying Amount Held-to-maturity securities, maturities over 360 days Held To Maturity Securities Debt Maturities Over360 Days Net Carrying Amount Investments Investments Mutual funds, fair value Mutual Funds Fair Value Held-to-maturity securities, maturities less than 1 year, fair value Held To Maturity Securities Debt Maturities Within One Year Fair Value Held-to-maturity securities, remaining maturities from 1-3 years, fair value Held To Maturity Securities Debt Maturities After One Through Three Years Fair Value Held-to-maturity securities, maturities from 91-360 days, fair value Held To Maturity Securities Debt Maturities91 To360 Days Fair Value Held-to-maturity securities, maturities over 360 days, fair value Held To Maturity Securities Debt Maturities Over360 Days Fair Value Investments, fair value Revenue from contract with customers, number of customers. Revenue from number of customers Revenue From Contract With Customers Number Of Customers Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Customer concentration risk Customer Concentration Risk [Member] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Revenue Sales Revenue Net [Member] Customer Major Customers [Axis] Customer Name Of Major Customer [Domain] NGCD Partner [Member] NGCD Partner N G C D Partner [Member] DHS S&T Partner [Member] DHS S&T Partner D H S S T Partner [Member] Large Post-Production Film Company [Member] Large Post-Production Film Company Large Post Production Film Company [Member] Aerospace manufacturing company. Aerospace Manufacturing Company Aerospace Manufacturing Company [Member] Accounts receivable Accounts Receivable [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration risk, percentage Concentration Risk Percentage1 FDIC increased insurance amount per depositor Cash F D I C Insured Amount Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Plan Name Plan Name [Axis] Plan Name Plan Name [Domain] 2008 Stock Incentive Plan Astrotech - The 2008 Stock Incentive Plan Stock Incentive Plan2008 [Member] 2011 Stock Incentive Plan Astrotech - The 2011 Stock Incentive Plan Stock Incentive Plan2011 [Member] Award Type Award Type [Axis] Equity Award Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Employee Stock Option Employee Stock Option [Member] Restricted Stock Restricted Stock [Member] Share Repurchase Program Share Repurchase Program [Axis] Share Repurchase Program Share Repurchase Program [Domain] Amended Securities Repurchase Program [Member] Amended Securities Repurchase Program Amended Securities Repurchase Program [Member] Related Party Related Party Transactions By Related Party [Axis] Related Party Related Party [Domain] Board Of Directors, Chief Executive Officer and Chief Financial Officer [Member] Board Of Directors, Chief Executive Officer and Chief Financial Officer Board Of Directors Chief Executive Officerand Chief Financial Officer [Member] Chief Operating Officer Chief Operating Officer [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Common stock shares available for future issuance (in shares) Common Stock Capital Shares Reserved For Future Issuance Common stock options and warrants granted (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Common stock shares available for grant (in shares) Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Shares Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Roll Forward Outstanding, beginning of period (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Granted (in shares) Exercised (in shares) Stock Issued During Period Shares Stock Options Exercised Cancelled or expired (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Outstanding, end of period (in shares) Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Rollforward Outstanding weighted average exercise price, beginning of period (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Granted weighted average exercise price (in dollars per share) Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Exercised weighted average exercise price (in dollars per share) Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price Canceled or expired weighted average exercise price (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price Outstanding weighted average exercise price, end of period (in dollars per share) Aggregate intrinsic value of options exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 Aggregate intrinsic value of options Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Table] Exercise Price Range Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Domain] Exercise Price Range One $1.60 – 3.55 Exercise Price Range One [Member] Exercise Price Range Two $5.30 – 8.35 Exercise Price Range Two [Member] Exercise Price Range Three $16.00 – 16.00 Exercise Price Range Three [Member] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] Exercise price lower range (in dollars per share) Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit Exercise price upper range (in dollars per share) Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit Number outstanding (in shares) Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options Options Outstanding Weighted- Average Remaining Contractual Life Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 Weighted average exercise price (in dollars per share) Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 Number exercisable (in shares) Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options Options exercisable weighted average exercise price (in dollars per share) Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 Compensation expense recognized Allocated Share Based Compensation Expense Unrecognized compensation cost related to stock option and restricted awards Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options Unrecognized compensation cost over a weighted-average period Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Roll Forward Outstanding, beginning of period (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Granted (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Exercised (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Cancelled or expired (in shares) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Outstanding, end of period (in shares) Weighted Average Grant-Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Roll Forward Outstanding, beginning of period (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Granted (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Exercised (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Cancelled or expired (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Outstanding, end of period (in dollars per share) Unrecognized expensed recognized Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Expected Dividend Yield Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate Expected Volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Risk-Free Interest Rates Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Expected Option Life (in years) Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 Weighted-average grant-date fair value of options awarded Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value Common stock repurchase - amount Stock Repurchase Program Authorized Amount1 Share repurchases (in shares) Common stock repurchased - value Common stock repurchased (in dollars per share) Treasury Stock Acquired Average Cost Per Share Federal Income Tax Note [Table] Federal Income Tax Note [Table] Tax Period Tax Period [Axis] Tax Period Tax Period [Domain] Earliest Tax Year Earliest Tax Year [Member] Latest Tax Year Latest Tax Year [Member] Income Tax Authority Income Tax Authority [Axis] Income Tax Authority Income Tax Authority [Domain] State and Local Jurisdiction State And Local Jurisdiction [Member] Investments Owned Federal Income Tax Note [Line Items] Investments Owned Federal Income Tax Note [Line Items] Loss before income taxes Effective tax rate for continuing operations Effective Income Tax Rate Continuing Operations Current state tax expense Current State And Local Tax Expense Benefit Unrecognized tax benefits Unrecognized Tax Benefits Period Increase Decrease Federal statutory effective tax rate Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate Current Current Income Tax Expense Benefit Continuing Operations [Abstract] Federal Current Federal Tax Expense Benefit State and local Total income tax expense Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract] Expected benefit Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate State tax expense Income Tax Reconciliation State And Local Income Taxes Change in temporary tax adjustments Effective Income Tax Rate Reconciliation Change In Temporary Tax Adjustments Other permanent items Income Tax Reconciliation Other Reconciling Items Change in tax rate due to the tax reform Income Tax Reconciliation Change In Enacted Tax Rate Deferred tax assets: Deferred Tax Assets Net [Abstract] Net operating loss carryforwards Deferred Tax Assets Operating Loss Carryforwards Alternative minimum tax credit carryforwards Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax Accrued expenses and other timing Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities Total gross deferred tax assets Deferred Tax Assets Gross Less — valuation allowance Deferred Tax Assets Valuation Allowance Net deferred tax assets Deferred Tax Assets Net Deferred tax liabilities: Deferred Tax Liabilities [Abstract] Property and equipment, principally due to differences in depreciation Deferred Tax Liabilities Property Plant And Equipment Total gross deferred tax liabilities Deferred Income Tax Liabilities Net deferred tax assets (liabilities) Deferred Tax Assets Liabilities Net Valuation allowance Operating Loss Carryforwards Valuation Allowance Change in valuation allowance Valuation Allowance Deferred Tax Asset Change In Amount Federal Operating Loss Carryforwards Available Amount of an unrecognized tax benefit that is directly related to a position taken in a tax year that results in a net operating loss carryforward. This amount is presented as a reduction of the related deferred tax asset in the balance sheet if that deferred tax asset is not used. This amount is presented separately from the deferred tax asset for a net operating loss carryforward if this unrelated tax benefit is associated with a different tax position. Net operating loss Carry forwards expiration Year. Net losses carryforwards used for Federal income tax purposes Federal Operating Loss Carryforwards Available Federal income tax effected Unrecognized Tax Benefits Resulting In Net Operating Loss Carryforward One Operating loss carryforward expiration year Net Operating Loss Carry Forwards Expiration Year Represents the unrecognized tax benefits resulting in net state operating loss carryforwards. Accumulated net operating loss carry forwards expiration year. Accumulated state net operating loss carryforwards Deferred Tax Assets Operating Loss Carryforwards State And Local State income tax effected Unrecognized Tax Benefits Resulting In Net State Operating Loss Carryforwards Accumulated operating loss carryforward expiration year Accumulated Net Operating Loss Carry Forwards Expiration Year Represents the unrecognized tax effect on Texas business loss carryforwards. Tax credit carry forward expiration year. Temporary credit loss carryovers Tax Credit Carryforward Amount Temporary credit tax effected Unrecognized Tax Effect On Texas Business Loss Carryforwards Temporary credit offset Deferred Tax Liabilities Tax credit carryforward expiration year Tax Credit Carry Forward Expiration Year Represents the alternative minimum tax credit carryforwards available to offset future regular tax liabilities. Interest expense for uncertain tax positions. Alternative minimum tax carryforwards Alternative Minimum Tax Carryforwards Uncertain tax positions Liability For Uncertain Tax Positions Current Interest expense for uncertain tax positions Interest Expense For Uncertain Tax Positions Amounts attributable to parent basic and diluted. Numerator: Income Amounts Attributable To Reporting Entity Disclosures [Abstract] Amounts attributable to Astrotech Corporation, basic and diluted: Amounts Attributable To Parent Basic And Diluted [Abstract] Denominator: Weighted Average Number Of Shares Outstanding [Abstract] Options to purchase (in shares) Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Employee benefit plans employer contributions Defined Benefit Plan Contributions By Employer Future minimum payments Operating Leases Future Minimum Payments Due [Abstract] 2019 Operating Leases Future Minimum Payments Due Current 2020 Operating Leases Future Minimum Payments Due In Two Years 2021 Operating Leases Future Minimum Payments Due In Three Years 2022 Operating Leases Future Minimum Payments Due In Four Years 2023 Operating Leases Future Minimum Payments Due In Five Years Thereafter Operating Leases Future Minimum Payments Due Thereafter Total Operating Leases Future Minimum Payments Due Schedule Of Operating Leased Assets [Table] Schedule Of Operating Leased Assets [Table] Geographical Statement Geographical [Axis] Geographical Segment Geographical [Domain] Austin, Texas [Member] Austin, Texas Austin Texas [Member] Webster texas property. Webster Texas Property Webster Texas Property [Member] Represents first detect a legal entity. 1st Detect First Detect [Member] Research and development and production facility. Research and Development and Production Facility Research And Development And Production Facility [Member] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Rent expense Lease And Rental Expense Represents number of renewal terms. Lessee Leasing Arrangements, Operating Leases, Renewal Notification Period Leased premises Area Of Land Number of renewal terms Number Of Renewal Terms Renewal term Lessee Operating Lease Renewal Term Period before expiration of lease that renewal contract must be signed Lessee Leasing Arrangements Operating Leases Renewal Notification Period Area of land right of first refusal exercised. Remaining area of land. Lease term Lessee Operating Lease Term Of Contract Leased premises, right of first refusal exercised Area Of Land Right Of First Refusal Exercised Leased premises remaining area Remaining Area Of Land Number of reportable segments Number Of Reportable Segments Schedule Of Segment Reporting Information By Segment [Table] Schedule Of Segment Reporting Information By Segment [Table] Segments Statement Business Segments [Axis] Segments Segment [Domain] Astro Scientific. Astro Scientific Astro Scientific [Member] Astral Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Depreciation Loss on Impairment of Long-Lived Assets Loss Before Income Taxes Capital Expenditure Fixed Assets, Net Total Capital Expenditures Capital Expenditure Total Assets Maximum offering amount. Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type Subsequent Event Type [Axis] Subsequent Event Type Subsequent Event Type [Domain] Subsequent Events Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Maximum offering amount Maximum Offering Amount