Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Restricted Stock Awards (Details)

v3.23.1
STOCK BASED COMPENSATION - Restricted Stock Awards (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Weighted Average Grant Date Fair Value    
Total stock based compensation expenses $ 9,313 $ 9,912
Restricted Stock awards    
Shares Subject to Vesting    
Balance at beginning of period, unvested shares (in shares) 102  
Vested (in shares) (25)  
Balance at end of period, unvested shares (in shares) 77  
Weighted Average Grant Date Fair Value    
Balance at beginning of Period, unvested shares (in dollars per share) $ 8.78  
Vested (in dollars per share) 1.94  
Balance at end of Period, unvested shares (in dollars per share) $ 8.78  
Total stock based compensation expenses $ 200 $ 400
Unrecognized stock-based compensation expense $ 600  
Weighted-average period 10 months 24 days