Outstanding Stock Options (Details) (USD $)	9 Months Ended
	Nov. 02, 2013	Feb. 02, 2013
2011 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	2,612,000	2,500,000
Options outstanding, weighted average exercise price	$ 3.75	$ 3.73
Options outstanding, weighted average remaining contractual term	9 years
Options outstanding, aggregate intrinsic value	$ 3,807,000
Vested or expected to vest, outstanding	2,574,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 3.77
Vested or expected to vest, outstanding, weighted average remaining contractual term	9 years
Vested or expected to vest, outstanding, aggregate intrinsic value	3,714,000
2004 Omnibus Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	2,136,000	2,098,000
Options outstanding, weighted average exercise price	$ 6.19	$ 6.23
Options outstanding, weighted average remaining contractual term	5 years 1 month 6 days
Options outstanding, aggregate intrinsic value	2,047,000
Vested or expected to vest, outstanding	2,129,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 6.18
Vested or expected to vest, outstanding, weighted average remaining contractual term	5 years 1 month 6 days
Vested or expected to vest, outstanding, aggregate intrinsic value	2,047,000
2001 Omnibus Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	1,151,000	1,169,000
Options outstanding, weighted average exercise price	$ 5.93	$ 5.88
Options outstanding, weighted average remaining contractual term	4 years 8 months 12 days
Options outstanding, aggregate intrinsic value	1,142,000
Vested or expected to vest, outstanding	1,148,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 5.92
Vested or expected to vest, outstanding, weighted average remaining contractual term	4 years 8 months 12 days
Vested or expected to vest, outstanding, aggregate intrinsic value	1,142,000
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	500,000	525,000
Options outstanding, weighted average exercise price	$ 4.24	$ 4.12
Options outstanding, weighted average remaining contractual term	6 years 8 months 12 days
Options outstanding, aggregate intrinsic value	597,000
Vested or expected to vest, outstanding	490,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 4.23
Vested or expected to vest, outstanding, weighted average remaining contractual term	6 years 8 months 12 days
Vested or expected to vest, outstanding, aggregate intrinsic value	$ 588,000