Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation and Other Benefit Plans (Narrative) (Details)

v3.20.4
Stock-Based Compensation and Other Benefit Plans (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jun. 25, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock options granted, reduction ratio for number authorized   1.00%      
Payments to settle stock appreciation rights   $ 275 $ 491 $ 82  
Proceeds from stock options exercised   100 300 500  
Options granted 644,758        
Options granted, weighted average exercise price $ 1.23        
Stock-based compensation   $ 114 $ 3,506 $ 2,388  
Weighted average grant date fair value - ($/share)   $ 0.79 $ 1.06 $ 0.68  
Defined Contribution Plan, Cost   $ 400 $ 400 $ 300  
Severance cost as percentage of target bonus   75.00%      
Long-Term Incentive Plan, 2020 [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards authorized         5,500,000
Awards available   3,744,737      
Stock Option [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards, vesting period   5 years      
Award granted life 10 years 5 years      
Intrinsic value of options exercied   $ 43,000 300 600  
Unrecognized compensation costs   $ 500      
Compensation costs expected to be recognized   2 years 10 months 24 days      
Stock Option [Member] | Share-based Payment Arrangement, Tranche One [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting percentage 33.33%        
Share price for vesting scheme $ 1.42        
Stock Option [Member] | Share-based Payment Arrangement, Tranche Two [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting percentage 33.33%        
Share price for vesting scheme $ 1.63        
Stock Option [Member] | Share-based Payment Arrangement, Tranche Three [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Vesting percentage 33.33%        
Share price for vesting scheme $ 1.88        
Restricted Stock [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards, vesting period   3 years      
Other awards granted   971,000      
Other awards granted, weighted average exercise price $ 1.23 $ 1.23      
Unrecognized compensation costs   $ 800      
Compensation costs expected to be recognized   1 year 4 months 24 days      
Fair value of awards vested   $ 200 $ 600 $ 400  
Weighted average grant date fair value - ($/share)   $ 1.35 $ 2.00 $ 1.71  
Restricted Stock [Member] | Employees [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Other awards granted 710,851        
Restricted Stock [Member] | Director [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Other awards granted 260,164        
Stock Appreciation Rights (SARs) [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation   $ (700)      
Minimum [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Severance cost as percentage of salary   50.00%      
Maximum [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Severance cost as percentage of salary   100.00%