Unaudited Quarterly Financial Data (Details Textual) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended								12 Months Ended
	Feb. 01, 2013	Oct. 31, 2012 boardmember	Feb. 02, 2013 agreement	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013 agreement	Jan. 28, 2012	Jan. 29, 2011
Quarterly Financial Data [Line Items]
Asset impairment			$ 8,000,000	$ 6,400,000	$ 9,000,000	$ 3,600,000	$ 2,400,000	$ 700,000	$ 1,100,000	$ 300,000	$ 27,000,000	$ 4,503,000	$ 4,228,000
Litigation expense			6,600,000	500,000
Severance costs	300,000
Professional fees			300,000	2,100,000
Early termination of investment banker retention agreements			500,000
Number of investment banker retention agreements			2								2
Professional fees benefit adjustment			200,000
Number of board members replaced		4
Number of board members		7
Change in valuation allowance			71,100,000								71,127,000	(642,000)	(457,000)
Chief Executive Officer [Member]
Quarterly Financial Data [Line Items]
Severance costs				100,000	1,900,000
President and Chief Operating Officer [Member]
Quarterly Financial Data [Line Items]
Severance costs			$ 1,000,000