Outstanding Stock Options (Details) (USD $)	3 Months Ended
	May 04, 2013	Feb. 02, 2013
2011 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	2,620,000	2,500,000
Options outstanding, weighted average exercise price	$ 3.73	$ 3.73
Options outstanding, weighted average remaining contractual term	9 years 6 months
Options outstanding, aggregate intrinsic value	$ 1,031,000
Vested or expected to vest, outstanding	2,577,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 3.75
Vested or expected to vest, outstanding, weighted average remaining contractual term	9 years 6 months
Vested or expected to vest, outstanding, aggregate intrinsic value	966,000
2004 Omnibus Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	2,128,000	2,098,000
Options outstanding, weighted average exercise price	$ 6.22	$ 6.23
Options outstanding, weighted average remaining contractual term	5 years 7 months 6 days
Options outstanding, aggregate intrinsic value	1,231,000
Vested or expected to vest, outstanding	2,115,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 6.17
Vested or expected to vest, outstanding, weighted average remaining contractual term	5 years 7 months 6 days
Vested or expected to vest, outstanding, aggregate intrinsic value	1,231,000
2001 Omnibus Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	1,163,000	1,169,000
Options outstanding, weighted average exercise price	$ 5.91	$ 5.88
Options outstanding, weighted average remaining contractual term	5 years 2 months 12 days
Options outstanding, aggregate intrinsic value	719,000
Vested or expected to vest, outstanding	1,159,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 5.92
Vested or expected to vest, outstanding, weighted average remaining contractual term	5 years 2 months 12 days
Vested or expected to vest, outstanding, aggregate intrinsic value	715,000
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	525,000	525,000
Options outstanding, weighted average exercise price	$ 4.12	$ 4.12
Options outstanding, weighted average remaining contractual term	7 years 2 months 12 days
Options outstanding, aggregate intrinsic value	221,000
Vested or expected to vest, outstanding	512,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 4.12
Vested or expected to vest, outstanding, weighted average remaining contractual term	7 years 2 months 12 days
Vested or expected to vest, outstanding, aggregate intrinsic value	$ 214,000