INTEREST INCOME (EXPENSE), NET (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Components of interest income (expense), net
Interest income	$ 317	$ 255
Less:
Interest expense - credit facilities	14	21
Unused line fee	136	106
Amortization of deferred financing costs	68	88
Other interest and fees	5	20
Total interest expense	391	431
Interest (expense), net	(74)	(176)
interestrevolvingloan [Member]
Less:
Interest expense - credit facilities	$ 168	$ 196