Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2021	Sep. 15, 2021
Document And Entity Information
Entity Registrant Name	ADMIRAL FINANCIAL CORP
Entity Central Index Key	0000828530
Document Type	10-K
Document Period End Date	Jun. 30, 2021
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Public Float		$ 0
Entity Common Stock, Shares Outstanding		10,985,046
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	true
Entity File Number	0-17214
Entity Interactive Data Current	Yes
Entity Incorporation	FL