Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - Option pricing model (Details)

v3.22.1
SHARE-BASED COMPENSATION - Option pricing model (Details)
3 Months Ended
Mar. 31, 2022
$ / shares
SHARE-BASED COMPENSATION  
Expected term 10 years
Volatility 89.00%
Risk-free interest rate 1.70%
Weighted average grant date fair value $ 3.79