Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Options and RSUs (Details)

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STOCK-BASED COMPENSATION - Options and RSUs (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2023
USD ($)
$ / shares
shares
Employee stock options and Restricted Stock Units  
Additional disclosures  
Total unrecognized compensation costs | $ $ 16.5
Weighted-average recognition period of unrecognized compensation cost 2 years 7 months 24 days
Employee stock options  
Number of Shares  
Granted (in shares) 2,620,000
Exercised/Released (in shares) 952
Outstanding, end of period (in shares) 35,909,499
Employee stock options | Vesting upon achievement of corporate performance-based milestones  
Number of Shares  
Outstanding, end of period (in shares) 2,870,000
Additional disclosures  
Total unrecognized compensation costs | $ $ 5.3
RSUs  
Number of Shares  
Granted (in shares) 1,207,600
Vested (in shares) 266,256
Outstanding, end of period (in shares) 1,988,498
Weighted-Average Grant Date Fair Value  
Granted (in dollars per share) | $ / shares $ 1.87
Additional disclosures  
Vesting period 4 years