Quarterly report pursuant to Section 13 or 15(d)

Stock Award Plans and Stock-Based Compensation - Employee Stock Options (Details)

v3.22.2.2
Stock Award Plans and Stock-Based Compensation - Employee Stock Options (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 10, 2021
Feb. 05, 2021
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares)         9,945,000  
Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Common shares issued for warrants (in shares) 414 4,977        
Warrants exercised for common shares (in shares) 6,111 14,583        
Share-based payment charges     $ 700,000 $ 300,000 $ 1,600,000 $ 800,000
Fair value of non-vested options     $ 3,800,000   $ 3,800,000  
Weighted average remaining term         1 year 1 month 17 days  
Dividend assumptions         $ 0  
2018 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares)         9,945,000 1,605,000
Option grant life         10 years 10 years
Stock option exercise price (in usd per share)         $ 0.53 $ 1.83
Stock options fair value         $ 1,800,000 $ 1,000,000.0
2018 Plan | Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of option vested         100.00% 100.00%
Dividend assumptions         $ 0  
2018 Plan | Share-based Payment Arrangement, Tranche One | Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period         12 months 12 months
2018 Plan | Share-based Payment Arrangement, Tranche Two | Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period         48 months 24 months
2018 Plan | Share-based Payment Arrangement, Tranche Three | Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period           36 months