Net Loss Per Common Share (Details) (USD $)	3 Months Ended				6 Months Ended
	Jul. 28, 2012		Jul. 30, 2011		Jul. 28, 2012	Jul. 30, 2011
Net Loss Per Common Share [Abstract]
Net loss (a)	$ (3,845,000)	[1]	$ (4,456,000)	[1]	$ (12,584,000)	$ (33,386,000)
Weighted average number of common shares outstanding — Basic	48,853,619		48,131,218		48,745,892	44,393,198
Dilutive effect of stock options, non-vested shares and warrants (b)	0	[2]	0	[2]	0	0
Weighted average number of common shares outstanding — Diluted	48,853,619		48,131,218		48,745,892	44,393,198
Net loss per common share	$ (0.08)		$ (0.09)		$ (0.26)	$ (0.75)
Net loss per common share — assuming dilution	$ (0.08)		$ (0.09)		$ (0.26)	$ (0.75)
Gains (Losses) on Extinguishment of Debt	$ 0		$ 0		$ 500,000	$ 25,679,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,768,000		6,704,000		3,667,000	6,483,000

[1] The net loss for the six-month periods ended July 28, 2012 and July 30, 2011 include charges totaling $500,000 and $25.7 million, respectively, related to losses on debt extinguishment made during the first quarters of fiscal 2012 and fiscal 2011.

[2] For the three-month periods ended July 28, 2012 and July 30, 2011, approximately 3,768,000 and 6,704,000, respectively, incremental in-the-money potentially dilutive common share stock options and warrants have been excluded from the computation of diluted earnings per share, as the effect of their inclusion would be antidilutive. For the six-month periods ended July 28, 2012 and July 30, 2011, approximately 3,667,000 and 6,483,000, respectively, incremental in-the-money potentially dilutive common share stock options and warrants have been excluded from the computation of diluted earnings per share, as the effect of their inclusion would be antidilutive.