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STOCKHOLDERS' EQUITY (DEFICIT) - Fair value of stock options granted using the Black-Scholes options (Details) - Stock options
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
STOCKHOLDERS' EQUITY (DEFICIT)        
Expected term (years) 3 years 9 months 18 days 3 years 6 months   3 years 6 months
Expected volatility 110.00% 107.00%    
Expected dividends 0.00% 0.00%   0.00%
Minimum        
STOCKHOLDERS' EQUITY (DEFICIT)        
Risk free interest rate 4.75% 4.07% 4.27% 3.92%
Expected volatility     110.00% 105.00%
Maximum        
STOCKHOLDERS' EQUITY (DEFICIT)        
Risk free interest rate 4.81% 4.52% 4.81% 4.52%
Expected volatility     114.00% 107.00%