Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Assumptions (Details)

v3.23.1
STOCK-BASED COMPENSATION - Assumptions (Details) - Employee stock options - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Weighted-average assumptions relating to options granted    
Risk-free interest rate (as a percent) 3.70% 1.70%
Expected term (in years) 7 years 6 years 4 months 24 days
Dividend yield (as a percent) 0.00% 0.00%
Expected volatility (as a percent) 82.80% 70.00%
Additional disclosures    
Grant-date weighted-average fair value (in dollars per share) $ 1.42  
Vesting upon achievement of corporate performance-based milestones    
Additional disclosures    
Total unrecognized compensation costs $ 5.3