Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION - Weighted-average Assumptions (Details)

v3.23.1
SHARE-BASED COMPENSATION - Weighted-average Assumptions (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected dividend yield 0.00% 0.00%
Market-based Restricted Share Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant date share price (dollars per share) $ 2.53 $ 13.68
Risk-free interest rate 1.56% 0.52%
Expected dividend yield 0.00% 0.00%
Expected volatility 75.00% 90.00%
Minimum | Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.40% 0.78%
Expected volatility 75.00% 75.00%
Expected life (in years) 3 months 5 years
Exercise price (dollars per share) $ 1.64 $ 11.07
Minimum | Market-based Restricted Share Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (in years) 2 years 1 month 6 days 1 year 3 months 18 days
Maximum | Stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 2.82% 1.09%
Expected volatility 90.00% 90.00%
Expected life (in years) 6 years 29 days 6 years 3 months
Exercise price (dollars per share) $ 2.76 $ 14.40
Maximum | Market-based Restricted Share Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected life (in years) 2 years 4 months 24 days 3 years 9 months 18 days