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STOCK-BASED COMPENSATION - Summary of Assumptions Used to Compute Fair Value of Options Granted (Details) - Stock options and restricted stock units - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Employee Option        
Stock-Based Compensation [Line Items]        
Volatility 79.01% 84.11% 79.82% 84.56%
Expected term in years 6 years 29 days 6 years 29 days 6 years 18 days 6 years 25 days
Dividend rate 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate 4.22% 3.63% 4.32% 3.97%
Fair value of option on grant date (in dollars per share) $ 1.75 $ 2.66 $ 2.60 $ 1.92
Nonemployee Option        
Stock-Based Compensation [Line Items]        
Volatility 80.59% 83.00% 80.59% 83.00%
Expected term in years 6 years 6 months 5 years 3 months 6 years 6 months 5 years 3 months
Dividend rate 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate 4.35% 3.89% 4.35% 3.89%
Fair value of option on grant date (in dollars per share) $ 2.71 $ 2.42 $ 2.71 $ 2.42