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 | ' |