Note 14. Net Loss Per Share (Detail) - Basic and Diluted Net Loss Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	May 04, 2013	Apr. 28, 2012
Net loss, as reported (in Dollars)	$ (4,533)	$ (13,702)
Weighted-average common shares outstanding - basic	33,912	32,661
Weighted-average common shares outstanding - diluted	33,912	32,661
Net loss per share - basic (in Dollars per share)	$ (0.13)	$ (0.42)
Net loss per share - diluted (in Dollars per share)	$ (0.13)	$ (0.42)