Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION (Details 3)

v3.21.2
SHARE-BASED COMPENSATION (Details 3)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Expected volatility 50.00% 50.00% 50.00% 50.00%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate 0.90% 0.90% 0.90% 0.90%
Expected term in years 8 months 26 days 7 months 6 days 8 months 26 days 7 months 6 days
Stock Option [Member]        
Expected volatility 50.00% 50.00% 50.00% 50.00%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate 1.00% 0.40% 0.90% 0.50%
Expected term in years 4 years 3 months 6 years 4 years 3 months 6 years