v3.26.1
Document And Entity Information - shares
 9 Months Ended
Mar. 31, 2026
May 12, 2026
Document Information [Line Items]    
Entity Central Index Key 0001001907  
Entity Registrant Name ASTROTECH Corp  
Amendment Flag true  
Current Fiscal Year End Date --06-30  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2026  
Document Type 10-Q/A  
Amendment Description Astrotech Corporation, a Delaware corporation (the “Company”), is filing this Amendment No. 1 on Form 10-Q/A (this “Amendment”) to amend the Company’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2026, as filed with the Securities and Exchange Commission (the “SEC”) on May 13, 2026 (the “Original Form 10-Q”). This Amendment is being filed solely to correct an inadvertent administrative error contained in Part I, Item 1 – “Notes to Condensed Consolidated Financial Statements (Unaudited) - (8) Stockholders’ Equity” regarding the number of shares issuable upon conversion of the Company’s Series D convertible preferred stock.   Except as specifically described in this Explanatory Note, no other changes have been made to the Original Form 10-Q. This Amendment does not reflect events occurring after the filing date of the Original Form 10-Q and does not modify or update any disclosures contained therein. Accordingly, this Amendment should be read in conjunction with the Original Form 10-Q and the Company’s other filings with the SEC subsequent to the filing of the Original Form 10-Q.  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-34426  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 91-1273737  
Entity Address, Address Line One 1817 W. Braker Lane, Suite 400  
Entity Address, City or Town Austin  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 78758  
City Area Code 512  
Local Phone Number 485-9530  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol ASTC  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   1,758,953