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Shareholders' Equity - Stock Option Awards - Outstanding Stock Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended
Nov. 02, 2019
Feb. 02, 2019
2011 Omnibus Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 2,772 4,759
Options outstanding, weighted average exercise price $ 1.35 $ 1.36
Options outstanding, weighted average remaining contractual term 6 years 11 months 15 days  
Options outstanding, aggregate intrinsic value $ 20  
Vested or expected to vest, outstanding 2,669  
Vested or expected to vest, outstanding, weighted average exercise price $ 1.37  
Vested or expected to vest, outstanding, weighted average remaining contractual term 6 years 10 months 22 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 17  
2004 Omnibus Incentive Stock Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 67 107
Options outstanding, weighted average exercise price $ 5.11 $ 4.87
Options outstanding, weighted average remaining contractual term 4 years 1 month 27 days  
Options outstanding, aggregate intrinsic value $ 0  
Vested or expected to vest, outstanding 67  
Vested or expected to vest, outstanding, weighted average exercise price $ 5.11  
Vested or expected to vest, outstanding, weighted average remaining contractual term 4 years 1 month 27 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 0