Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
Income Statement [Abstract]
Net sales	$ 127,664	$ 135,537	$ 405,358	$ 418,743
Cost of sales	98,715	109,492	293,526	318,293
Gross margin	28,949	26,045	111,832	100,450
Selling, general, and administrative expenses	38,743	44,405	115,592	126,215
Asset impairment	5,061	6,456	6,919	19,035
Operating loss	(14,855)	(24,816)	(10,679)	(44,800)
Interest income	49	35	150	108
Interest expense	(55)	(45)	(163)	(136)
Interest expense, net	(6)	(10)	(13)	(28)
Loss before provision (benefit) for income taxes	(14,861)	(24,826)	(10,692)	(44,828)
Provision (benefit) for income taxes	49	(10,047)	150	(17,407)
Net loss	$ (14,910)	$ (14,779)	$ (10,842)	$ (27,421)
Net loss per share, basic (in dollars per share)	$ (0.18)	$ (0.17)	$ (0.13)	$ (0.31)
Net loss per share, diluted (in dollars per share)	$ (0.18)	$ (0.17)	$ (0.13)	$ (0.31)
Weighted-average shares outstanding, basic (in shares)	83,729,646	88,877,993	86,028,985	88,650,011
Weighted-average shares outstanding, diluted (in shares)	83,729,646	88,877,993	86,028,985	88,650,011