v3.26.1
SHARE-BASED COMPENSATION - Summary of Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Numbers of shares    
Number of options outstanding 28,357,355  
Granted 9,386,309  
Exercised (1,191,073)  
Forfeited (2,168,440)  
Expired (6)  
Number of options outstanding 34,384,145 28,357,355
Options vested and exercisable 4,838,206  
Weighted average exercise price    
Outstanding as of December 31 $ 1.34  
Granted 1.12  
Exercised 0.58  
Forfeited 0.56  
Expired 0.76  
Outstanding as of June 30 1.35 $ 1.34
Options vested and exercisable as of June 30 $ 1.43  
Weighted average remaining contractual term, Outstanding 8 years 9 months 18 days 9 years 3 months 18 days
Weighted average remaining contractual term, Options vested and exercisable 5 years 4 months 24 days  
Aggregate intrinsic value, Outstanding $ 1,662 $ 15,395
Aggregate intrinsic value, Options vested and exercisable $ 1,290