Document and Entity Information (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2013	Jul. 31, 2012	Mar. 31, 2013 Common Class A [Member]	Mar. 31, 2013 Common Class B [Member]
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
Entity Public Float		$ 83.1
Entity Common Stock, Shares Outstanding			12,418,031	3,142,287
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jan. 31, 2013