Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

EQUITY - Stock options using the Black-Scholes option pricing model and used the assumptions (Details)

v3.22.1
EQUITY - Stock options using the Black-Scholes option pricing model and used the assumptions (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
EQUITY    
Risk-free interest rate 0.73% 0.13%
Expected volatility 66.00% 42.00%
Expected dividends 0.00% 0.00%
Minimum    
EQUITY    
Contractual term (years) 1  
Maximum    
EQUITY    
Contractual term (years) 3