v3.26.1
SHARE-BASED COMPENSATION - Option activity (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Options outstanding    
Outstanding, vested and expected to vest at the beginning of the period 227,775  
Granted 120,850  
Outstanding, vested and expected to vest at the end of the period 348,625 227,775
Exercisable 223,822  
Weighted Average Exercise Price    
Weighted Average Exercise price, Beginning of the period $ 88.45  
Weighted Average Exercise price, granted 2.36  
Weighted Average Exercise price, End of the period 58.61 $ 88.45
Exercisable $ 87.41  
Weighted Average Remaining Contractual Term (in years)    
Weighted average contractual life 7 years 6 months 6 years 9 months 3 days
Weighted average remaining contractual term, Granted 9 years 9 months 29 days  
Weighted Average Remaining Contractual Term, Exercisable 6 years 3 months 14 days  
Aggregate Intrinsic Value    
Aggregate Intrinsic Value, Beginning of the period $ 0  
Aggregate Intrinsic Value, End of the period 0 $ 0
Aggregate Intrinsic Value, Exercisable $ 0