Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Market Based Restricted Stock Units (Details)

v3.21.2
Shareholders' Equity - Market Based Restricted Stock Units (Details)
$ / shares in Units, $ in Thousands
May 02, 2019
USD ($)
$ / shares
shares
Market Based Stock Restricted Stock Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted, shares | shares 68,000
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 10 months 24 days
Risk-free interest rate 2.50%
Tranche 1 (One year) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of Units Vested 33.30%
Award Vesting Period 1 year
Fair Value Assumptions and Methodology [Abstract]  
Total grant date fair value per share $ 3.66
Weighted average expected life (in years) 1 year
Tranche 1 (One year) [Member] | Market Based Stock Restricted Stock Awards [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award Vesting Period 1 year
Tranche 2 ($20.00/share) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of Units Vested 33.30%
Fair Value Assumptions and Methodology [Abstract]  
Total grant date fair value per share $ 3.19
Weighted average expected life (in years) 3 years 3 months 7 days
Tranche 2 ($20.00/share) [Member] | Market Based Stock Restricted Stock Awards [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 $ 20.00
Tranche 3 ($40.00/share) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of Units Vested 33.30%
Fair Value Assumptions and Methodology [Abstract]  
Total grant date fair value per share $ 2.85
Weighted average expected life (in years) 4 years 6 months 10 days
Tranche 3 ($40.00/share) [Member] | Market Based Stock Restricted Stock Awards [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 $ 40.00
Continuous employment requisite period 2 years