v3.26.1
STOCKHOLDERS' EQUITY - Stock option activity (Details) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Number of Shares    
Balance at beginning of the year (in shares) 712,381  
Expired/Cancelled (in shares) (35,304)  
Balance at end of the year (in shares) 677,077 712,381
Exercisable at end of the year and expected to vest thereafter (in shares) 677,077  
Weighted Average Exercise Price    
Balance at beginning of the year (in dollars per share) $ 7.5  
Expired/Cancelled (in dollars per share) 2.5  
Balance at end of the year (in dollars per share) 7.42 $ 7.5
Exercisable at end of the year and expected to vest thereafter (in dollars per share) $ 7.42  
Weighted Average Remaining Term, Outstanding (years) 6 years 7 months 6 days 7 years
Weighted Average Remaining Term, Exercisable at end of the year and expected to vest thereafter 6 years 7 months 6 days