Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Net (loss) income	$ (18,315)	$ 158	$ (21,701)
Other comprehensive loss:
Change in currency translation adjustments, net of tax	(336)	(583)	(1,586)
Change in unrealized gains (losses) on marketable securities, net of tax	33	(181)	(176)
Other comprehensive loss	(303)	(764)	(1,762)
Comprehensive loss	$ (18,618)	$ (606)	$ (23,463)