Registration of securities issued in business combination transactions

STOCKHOLDERS' EQUITY - The activity for stock subject to vesting (Details)

v3.21.2
STOCKHOLDERS' EQUITY - The activity for stock subject to vesting (Details) - Restricted Stock awards - $ / shares
shares in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Shared subject to vesting    
Balance at beginning of period, unvested shares (in shares) 280 5,587
Vested (in shares) (112) (5,307)
Balance at end of period, unvested shares (in shares) 168 280
Weighted-Average Purchase Price    
Balance at beginning of Period, unvested shares (in dollars per share) $ 0.0001  
Vested (in dollars per share) 0.0001  
Balance at end of Period, unvested shares (in dollars per share) $ 0.0001 $ 0.0001