Unaudited Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Net loss	$ (4,791)	$ (13,418)	$ (9,324)	$ (27,120)
Other comprehensive income (loss):
Accumulated translation adjustment	48	(567)	(318)	(496)
Unrealized gain (loss) on marketable securities	(153)	61	(196)	328
Other comprehensive loss	(105)	(506)	(514)	(168)
Comprehensive loss	$ (4,896)	$ (13,924)	$ (9,838)	$ (27,288)