v3.26.1
Document And Entity Information
9 Months Ended
Mar. 31, 2026
Document Information [Line Items]  
Document Type S-3
Entity Registrant Name ASTROTECH CORPORATION
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
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Entity Central Index Key 0001001907
Amendment Flag false