Note 14. Net Loss Per Share (Details) - Basic and Diluted Net Loss Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Basic and Diluted Net Loss Per Share [Abstract]
Net loss, as reported (in Dollars)	$ (4,791)	$ (13,418)	$ (9,324)	$ (27,120)
Weighted-average common shares outstanding-basic	34,259	33,052	34,008	32,857
Weighted-average common shares outstanding- diluted	34,259	33,052	34,008	32,857
Net loss per share – basic (in Dollars per share)	$ (0.14)	$ (0.41)	$ (0.27)	$ (0.83)
Net loss per share – diluted (in Dollars per share)	$ (0.14)	$ (0.41)	$ (0.27)	$ (0.83)