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Receivables - Indemnity Holdback Related to the Asset Sale (Detail Textuals) (USD $)
 9 Months Ended
Mar. 31, 2015
Jun. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Indemnity holdback $ 6,100,000astc_IndemnnityHoldbackCurrent $ 0astc_IndemnnityHoldbackCurrent
Astrotech Space Operations    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Estimated purchase price 59,300,000astc_DisposalGroupIncludingDiscontinuedOperationEstimatedPurchasePrice
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= astc_AstrotechSpaceOperationsMember		  
Working capital 1,700,000astc_WorkingCapitalSurplusDeficit
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= astc_AstrotechSpaceOperationsMember		  
Received cash for working capital holdback 53,189,000astc_DiscontinuedOperationProceedsFromSaleOfBusiness
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= astc_AstrotechSpaceOperationsMember		  
Indemnity holdback $ 6,100,000astc_IndemnnityHoldbackCurrent
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= astc_AstrotechSpaceOperationsMember