v3.26.1
FAIR VALUE MEASUREMENTS - Fair value of the derivative liability and preferred stock determined by using option pricing models assumptions (Details)
Mar. 30, 2026
Y
Mar. 18, 2026
Y
Expected term (years)    
FAIR VALUE MEASUREMENTS    
Fair value of derivative liability and preferred stock 3 0.5
Fair value of preferred stock 10  
Risk-free interest rate    
FAIR VALUE MEASUREMENTS    
Fair value of derivative liability and preferred stock 0.0378 0.0367
Fair value of preferred stock 0.0426  
Expected volatility    
FAIR VALUE MEASUREMENTS    
Fair value of derivative liability and preferred stock 0.50 0.50
Fair value of preferred stock 0.50  
Expected dividend yield    
FAIR VALUE MEASUREMENTS    
Fair value of derivative liability and preferred stock 0 0
Fair value of preferred stock 0