Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
Stock Award Plans and Stock-Based Compensation - Employee Stock Options (Details) - USD ($)
3 Months Ended
Jun. 10, 2021
Feb. 05, 2021
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     9,945,000  
Stock options, vesting period     4 years  
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    
Fair value of non-vested options     $ 4,700,000  
Weighted average remaining term     1 year 2 months 15 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]        
Dividend assumptions     $ 0  
2018 Plan | Share-based Payment Arrangement, Tranche One | Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options, 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]        
Stock options, 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]        
Stock options, vesting period       36 months