XML 133 R113.htm IDEA: XBRL DOCUMENT v3.22.1
SHARE-BASED COMPENSATION - Summary of activities of the Service-based RSUs (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Unvested 47,961,100 36,834,850
Granted 55,988,000 64,210,210
Vested (12,908,750) (954,960)
Forfeited (45,336,000) (51,629,000)
Expired   (500,000)
Unvested 45,704,350 47,961,100
Weighted Average Grant Date Fair Value, Unvested $ 0.63 $ 0.76
Weighted Average Grant Date Fair Value, Granted 0.21 0.43
Weighted Average Grant Date Fair Value, Vested  
Weighted Average Grant Date Fair Value, Unvested $ 0.45 $ 0.63