CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ (2,509)	$ (2,682)	$ 1,532	$ (147)
Foreign currency translation adjustments	(1)	(1)	1	(4)
Comprehensive income (loss)	$ (2,510)	$ (2,683)	$ 1,533	$ (151)