Document And Entity Information - shares	6 Months Ended
	Dec. 31, 2016	Feb. 06, 2017
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 31, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Entity Registrant Name	CONCURRENT COMPUTER CORP/DE
Entity Central Index Key	0000749038
Current Fiscal Year End Date	--06-30
Entity Filer Category	Smaller Reporting Company
Trading Symbol	CCUR
Entity Common Stock, Shares Outstanding		9,835,686