Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Stock Option Awards - Narrative (Details)

v3.19.2
Shareholders' Equity - Stock Option Awards - Narrative (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Aug. 03, 2019
USD ($)
shares
Aug. 04, 2018
USD ($)
Aug. 03, 2019
USD ($)
$ / shares
shares
Aug. 04, 2018
USD ($)
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of omnibus stock plans for which stock awards can be currently granted 1   1  
Granted, weighted average grant date fair value | $ / shares     $ 0.32 $ 0.74
Intrinsic value of options exercised     $ 0 $ 23
2011 Omnibus Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized | shares 13,000,000   13,000,000  
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation Expense $ 140 $ 237 $ 514 $ 542
Unrecognized compensation cost related to non-vested awards $ 502   $ 502  
Period for recognition of unrecognized compensation cost     1 year 5 months 23 days  
Stock Options [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Purchase price of common stock, percent     100.00%  
Award Vesting Period     3 years  
Stock Options [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grant term limit after the effective date of the respective plan's inception     10 years  
Exercise term limit from date of grant     10 years