Document And Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2022	Sep. 13, 2022	Dec. 31, 2021
Document Information [Line Items]
Entity Central Index Key	0001001907
Entity Registrant Name	ASTROTECH Corp
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jun. 30, 2022
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	2105 Donley Drive, 100
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
Trading Symbol	ASTC
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 30,908,524
Entity Common Stock, Shares Outstanding		50,630,849
Auditor Name	ArmaninoLLP
Auditor Location	San Francisco, California
Auditor Firm ID	32