Document and Entity Information - shares	9 Months Ended
	Oct. 31, 2015	Nov. 30, 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	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2015
Common Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		15,566,580
Common Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		3,203,384