Unaudited Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Net loss	$ (9,914)	$ (4,533)
Other comprehensive income (loss):
Currency translation adjustments	208	(366)
Unrealized gains (losses) on marketable securities, net of tax	46	(43)
Other comprehensive income (loss)	254	(409)
Comprehensive loss	$ (9,660)	$ (4,942)