Shareholders' Equity Outstanding Stock Options (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Oct. 03, 2012 2011 Omnibus Incentive Plan [Member]	Feb. 02, 2013 2011 Omnibus Incentive Plan [Member]	Jan. 28, 2012 2011 Omnibus Incentive Plan [Member]	Feb. 02, 2013 2004 Omnibus Incentive Stock Plan [Member]	Jan. 28, 2012 2004 Omnibus Incentive Stock Plan [Member]	Feb. 02, 2013 2001 Omnibus Stock Plan [Member]	Jan. 28, 2012 2001 Omnibus Stock Plan [Member]	Feb. 02, 2013 Stock Option [Member]	Jan. 28, 2012 Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized	100,000,000	100,000,000
Granted, weighted average grant date fair value	$ 1.03	$ 4.31	$ 2.26	$ 4.00	$ 3.82		$ 1.70		$ 0.00		$ 0.00
Options outstanding					2,500,000	160,000	2,098,000	2,345,000	1,169,000	1,226,000	525,000	650,000
Options outstanding, weighted average exercise price					$ 3.73	$ 2.25	$ 6.23	$ 6.03	$ 5.88	$ 6.15	$ 4.12	$ 4.30
Options outstanding, weighted average remaining contractual term					9 years 9 months 18 days		5 years 9 months 18 days		5 years 6 months		7 years 4 months 24 days
Options outstanding, aggregate intrinsic value					$ 213,000		$ 318,000		$ 207,000		$ 75,000
Vested or expected to vest, outstanding					2,468,000		2,085,000		1,166,000		509,000
Vested or expected to vest, outstanding, weighted average exercise price					$ 3.75		$ 6.22		$ 5.90		$ 4.10
Vested or expected to vest, outstanding, weighted average remaining contractual term					9 years 9 months 18 days		5 years 9 months 18 days		5 years 6 months		7 years 4 months 24 days
Vested or expected to vest, outstanding, aggregate intrinsic value					194,000		318,000		206,000		73,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value	$ 146,000	$ 1,856,000	$ 355,000