Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Stock Option Awards - Outstanding Stock Options (Details)

v3.10.0.1
Shareholders' Equity - Stock Option Awards - Outstanding Stock Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended
Nov. 03, 2018
Feb. 03, 2018
2011 Omnibus Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 4,945 3,384
Options outstanding, weighted average exercise price $ 1.37 $ 1.64
Options outstanding, weighted average remaining contractual term 8 years 4 months 10 days  
Options outstanding, aggregate intrinsic value $ 221  
Vested or expected to vest, outstanding 4,500  
Vested or expected to vest, outstanding, weighted average exercise price $ 1.40  
Vested or expected to vest, outstanding, weighted average remaining contractual term 8 years 3 months 12 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 187  
2004 Omnibus Incentive Stock Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 107 112
Options outstanding, weighted average exercise price $ 4.87 $ 4.86
Options outstanding, weighted average remaining contractual term 5 years 4 days  
Options outstanding, aggregate intrinsic value $ 0  
Vested or expected to vest, outstanding 107  
Vested or expected to vest, outstanding, weighted average exercise price $ 4.87  
Vested or expected to vest, outstanding, weighted average remaining contractual term 5 years 4 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 0