Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Market Based Restricted Stock (Details)

v3.19.2
Shareholders' Equity - Market Based Restricted Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
May 02, 2019
Aug. 03, 2019
Aug. 04, 2018
Aug. 03, 2019
Aug. 04, 2018
Market Based Stock Restricted Stock Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted, shares 680,000        
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value $ 220        
Expected volatility rate 80.00%        
Weighted average expected life (in years) 2 years 11 months 1 day        
Risk-free interest rate 2.50%        
Tranche 1 (One year) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award Vesting Period 1 year        
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value per share $ 0.37        
Weighted average expected life (in years) 1 year        
Tranche 2 ($2.00/share) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of consecutive trading days 20 days        
Average closing price for 20 consecutive trading days, Lower range limit for vesting $ 2.00        
Continuous employment requisite period 1 year        
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value per share $ 0.32        
Weighted average expected life (in years) 3 years 3 months 8 days        
Tranche 3 ($4.00/share) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of consecutive trading days 20 days        
Average closing price for 20 consecutive trading days, Lower range limit for vesting $ 4.00        
Continuous employment requisite period 2 years        
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value per share $ 0.29        
Weighted average expected life (in years) 4 years 6 months 10 days        
Market-Based Performance Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted, shares   176,000 259,000 941,000 747,000
Award Vesting Period       3 years 3 years
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value   $ 482 $ 859 $ 482 $ 859
Total grant date fair value per share       $ 0.51  
Weighted average expected life (in years)       3 years 3 years
Market-Based Performance Units [Member] | Less than 33% [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of Units Vested       0.00% 0.00%
Market-Based Performance Units [Member] | Greater than 33% [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of Units Vested       50.00% 50.00%
Market-Based Performance Units [Member] | Greater than 50% [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of Units Vested       100.00% 100.00%
Market-Based Performance Units [Member] | Greater than 100% [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of Units Vested       150.00% 150.00%
Minimum [Member] | Market-Based Performance Units [Member]          
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value per share         $ 1.07
Expected volatility rate       74.00% 73.00%
Risk-free interest rate       1.70% 2.40%
Maximum [Member] | Market-Based Performance Units [Member]          
Fair Value Assumptions and Methodology [Abstract]          
Total grant date fair value per share         $ 1.30
Expected volatility rate       82.00% 76.00%
Risk-free interest rate       2.30% 2.70%