Document and Entity Information - shares	6 Months Ended
	Jul. 31, 2015	Aug. 31, 2015
Entity Information [Line Items]
Entity Registrant Name	QAD INC
Entity Central Index Key	0001036188
Current Fiscal Year End Date	--01-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 31, 2015
Common Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		15,553,704
Common Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		3,202,526