Annual report pursuant to Section 13 and 15(d)

SHARE BASED PAYMENTS - Black Scholes Assumptions (Details)

v3.22.0.1
SHARE BASED PAYMENTS - Black Scholes Assumptions (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected dividends 0.00% 0.00%
Risk-free rate   1.64%
Options outstanding pursuant to 2014 Plan (in shares) 20  
Options outstanding pursuant to 2018 Plan (in shares) 886  
Options issued outside of 2014 and 2018 Plans (in shares) 0  
Total options outstanding December 31, 2021 (in shares) 906  
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility 77.75% 87.80%
Expected term 2 years 2 years
Risk-free rate 1.64%  
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility 80.70% 92.70%
Expected term 5 years 5 years
Risk-free rate 1.75%