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STOCK-BASED COMPENSATION - Fair value assumptions and other (Details) - Stock options
6 Months Ended
Jun. 30, 2025
$ / shares
STOCK-BASED COMPENSATION  
Risk-free interest rate 4.44%
Expected volatility 125.37%
Expected term (years) 5 years 4 months 17 days
Expected dividend yield 0.00%
Fair value, per share $ 476.1