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Shareholders' Equity - Stock Option Awards - Outstanding Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Oct. 30, 2021
Jan. 30, 2021
A 2011 Omnibus Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 34,000 34,000
Options outstanding, weighted average exercise price $ 12.87 $ 12.87
Options outstanding, weighted average remaining contractual life 5 years 3 months 18 days  
Options outstanding, aggregate intrinsic value $ 13  
Vested or expected to vest, outstanding 33,000  
Vested or expected to vest, outstanding, weighted average exercise price $ 13.01  
Vested or expected to vest, outstanding, weighted average remaining contractual life 5 years 3 months 18 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 12  
A 2011 Omnibus Incentive Plan Two [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 127,000  
Options outstanding, weighted average exercise price $ 7.71  
Options outstanding, weighted average remaining contractual life 9 years 7 months 6 days  
Options outstanding, aggregate intrinsic value $ 0  
Vested or expected to vest, outstanding 111,000  
Vested or expected to vest, outstanding, weighted average exercise price $ 7.71  
Vested or expected to vest, outstanding, weighted average remaining contractual life 9 years 7 months 6 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 0  
A2004 Omnibus Incentive Stock Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 3,000 3,000
Options outstanding, weighted average exercise price $ 53.49 $ 53.49
Options outstanding, weighted average remaining contractual life 2 years 4 months 24 days  
Options outstanding, aggregate intrinsic value $ 0  
Vested or expected to vest, outstanding 3,000  
Vested or expected to vest, outstanding, weighted average exercise price $ 53.49  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 0