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Document and Entity Information - shares
 6 Months Ended
Dec. 31, 2015
Feb. 05, 2016
Document And Entity Information [Abstract]    
Entity Registrant Name ASTROTECH Corp  
Entity Central Index Key 0001001907  
Trading Symbol astc  
Current Fiscal Year End Date --06-30  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   20,700,673
Document Type 10-Q  
Document Period End Date Dec. 31, 2015  
Amendment Flag false  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2016