Document And Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2020	Sep. 14, 2020	Dec. 31, 2019
Document And Entity Information
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Registrant Name	CCUR Holdings, Inc.
Entity Central Index Key	0000749038
Current Fiscal Year End Date	--06-30
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
Entity Shell Company	false
Entity Public Float			$ 22,432,463
Trading Symbol	CCUR
Entity Common Stock, Shares Outstanding		9,001,862