v3.26.1
STOCK-BASED COMPENSATION PLANS - Schedule of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Stock Options    
Outstanding beginning balance (in shares) 18,152,258  
Granted (in shares) 4,869,975  
Exercised (in shares) (28,424)  
Expired (in shares) (593,220)  
Canceled and forfeited (in shares) (529,058)  
Outstanding ending balance (in shares) 21,871,531 18,152,258
Options exercisable at end of period (in shares) 10,605,986  
Weighted Average Exercise Price    
Outstanding beginning balance (in dollars per share) $ 2.85  
Granted (in dollars per share) 1.41  
Exercised (in dollars per share) 0.71  
Expired (in dollars per share) 5.77  
Canceled and forfeited (in dollars per share) 1.78  
Outstanding ending balance (in dollars per share) 2.48 $ 2.85
Options exercisable at end of period, weighted-average exercise price (in dollars per share) $ 3.23  
Weighted-Average Contractual Life (years)    
Options outstanding, weighted-average remaining contractual life (in years) 7 years 7 months 2 days 6 years 11 months 19 days
Options exercisable at end of period, weighted-average remaining contractual life (in years) 6 years 14 days  
Options outstanding, aggregate intrinsic value $ 2,691 $ 3,690
Exercisable, aggregate intrinsic value $ 2,059