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STOCK-BASED COMPENSATION - Schedule of fair value option assumptions (Details) - 2018 Equity Incentive Plan - Stock Options
9 Months Ended
Sep. 30, 2024
Stock-Based Compensation (Details) [Line Items]  
Expected volatility 128.00%
Expected dividend yield 0.00%
Expected term (in years) 10 years
Risk-free interest rate 3.83%