INTEREST INCOME (EXPENSE), NET (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Components of interest income (expense), net
Interest income	$ 218	$ 268	$ 736	$ 851
Less:
Interest expense - credit facilities	16	23	55	75
Unused line fee	121	104	317	328
Amortization of deferred financing costs	74	88	250	264
Other interest and fees	29	30	49	73
Total interest expense	472	350	1,371	974
Interest (expense), net	(254)	(82)	(635)	(123)
interestrevolvingloan [Member]
Less:
Interest expense - credit facilities	$ 232	$ 105	$ 700	$ 234