Note 17 - Net Income (Loss) Per Share (Details) - Basic and Diluted Net Income (Loss) Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Basic and Diluted Net Income (Loss) Per Share [Abstract]
Net income (loss), as reported	$ 1,253	$ (2,978)	$ (4,791)	$ (4,533)	$ (35,197)	$ (39,451)	$ (13,418)	$ (13,702)	$ (11,049)	$ (101,768)	$ (168,045)
Weighted-average common shares outstanding- basic									34,206	33,205	32,036
Weighted-average common shares outstanding- diluted									34,206	33,205	32,036
Net income (loss) per share- basic									$ (0.32)	$ (3.06)	$ (5.25)
Net income (loss) per share- diluted									$ (0.32)	$ (3.06)	$ (5.25)