Outstanding Stock Options (Details) (USD $)	9 Months Ended
	Nov. 01, 2014	Feb. 01, 2014
2011 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	2,583,000	3,083,000
Options outstanding, weighted average exercise price	$ 4.44	$ 4.03
Options outstanding, weighted average remaining contractual term	8 years 3 months 18 days
Options outstanding, aggregate intrinsic value	$ 3,882,000
Vested or expected to vest, outstanding	2,538,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 4.15
Vested or expected to vest, outstanding, weighted average remaining contractual term	8 years 3 months 18 days
Vested or expected to vest, outstanding, aggregate intrinsic value	3,834,000
2004 Omnibus Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	1,224,000	2,104,000
Options outstanding, weighted average exercise price	$ 6.78	$ 6.25
Options outstanding, weighted average remaining contractual term	4 years 9 months 18 days
Options outstanding, aggregate intrinsic value	282,000
Vested or expected to vest, outstanding	1,221,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 6.74
Vested or expected to vest, outstanding, weighted average remaining contractual term	4 years 9 months 18 days
Vested or expected to vest, outstanding, aggregate intrinsic value	279,000
2001 Omnibus Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	827,000	1,121,000
Options outstanding, weighted average exercise price	$ 6.90	$ 6.05
Options outstanding, weighted average remaining contractual term	3 years 9 months 18 days
Options outstanding, aggregate intrinsic value	359,000
Vested or expected to vest, outstanding	827,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 6.90
Vested or expected to vest, outstanding, weighted average remaining contractual term	3 years 9 months 18 days
Vested or expected to vest, outstanding, aggregate intrinsic value	359,000
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding	450,000	500,000
Options outstanding, weighted average exercise price	$ 4.51	$ 4.24
Options outstanding, weighted average remaining contractual term	5 years 7 months 6 days
Options outstanding, aggregate intrinsic value	585,000
Vested or expected to vest, outstanding	443,000
Vested or expected to vest, outstanding, weighted average exercise price	$ 4.52
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	$ 573,000