Note 20. Quarterly Financial Information (unaudited) (Detail) - Quarterly Financial Information (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Net revenue	$ 44,199	$ 63,905	$ 68,251	$ 40,258	$ 35,566	$ 39,725	$ 46,694	$ 60,632	$ 216,613	$ 182,617	$ 286,915
Gross profit	13,868	25,482	30,580	21,095	16,588	18,002	12,994	29,792	91,025	77,376	140,644
Loss from operations	(35,262)	(20,861)	(13,262)	(13,961)	(19,256)	(128,282)	(22,437)	(5,740)	(83,346)	(175,715)	12,917
Net loss	$ (35,197)	$ (39,451)	$ (13,418)	$ (13,702)	$ (18,838)	$ (121,575)	$ (21,962)	$ (5,670)	$ (101,768)	$ (168,045)	$ 9,147
Basic and diluted net loss per share (in Dollars per share)	$ (1.05)	$ (1.18)	$ (0.41)	$ (0.42)	$ (0.58)	$ (3.78)	$ (0.69)	$ (0.18)