v3.26.1
STOCKHOLDERS' EQUITY - Stock option activity (Details) - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Number of Shares        
Balance at beginning of the year (in shares) 712,381 685,789 714,204  
Granted (in shares)   59,612 173,907  
Exercised (in shares)   (5,884) (600)  
Expired/Cancelled (in shares) (35,304) (27,136) (201,722)  
Balance at end of the year (in shares) 677,077 712,381 685,789 714,204
Exercisable at end of the year (in shares) 444,458 444,441    
Exercisable at end of the year and expected to vest thereafter (in shares) 233,216 267,940    
Weighted Average Exercise Price        
Balance at beginning of the year (in dollars per share) $ 7.5 $ 7.25 $ 6.25  
Granted (in dollars per share)   8 7.5  
Exercised (in dollars per share)   2.5 5  
Expired/Cancelled (in dollars per share) 2.5 3 6  
Balance at end of the year (in dollars per share) 7.42 7.5 $ 7.25 $ 6.25
Exercisable at end of the year (in dollars per share) 7.42 7    
Exercisable at end of the year and expected to vest thereafter (in dollars per share) $ 8.17 $ 8.25    
Weighted Average Remaining Term, Outstanding (years) 6 years 7 months 6 days 7 years 7 years 6 months 6 years 3 months 18 days
Weighted Average Remaining Term, Exercisable (years) 6 years 7 months 6 days 6 years 2 months 12 days    
Weighted Average Remaining Term, Exercisable at end of the year and expected to vest thereafter 8 years 2 months 12 days 8 years 4 months 24 days