Quarterly report [Sections 13 or 15(d)]

SHARE-BASED COMPENSATION - Fair value of share options outstanding and exercisable (Details)

v3.25.3
SHARE-BASED COMPENSATION - Fair value of share options outstanding and exercisable (Details)
9 Months Ended 12 Months Ended
Sep. 30, 2025
$ / shares
Sep. 30, 2025
$ / shares
Sep. 30, 2024
$ / shares
Dec. 31, 2024
$ / shares
Canadian Dollar Share Options        
SHARE-BASED COMPENSATION        
Weighted average fair value of Options $ 0.14     $ 0.26
Expected volatility 107.00% 107.00%   99.70%
Risk-free interest rate 3.88% 3.88%   4.40%
Expected term (years) 6 years 2 months 12 days 6 years 2 months 12 days   6 years 7 months 6 days
US Dollar Share Options        
SHARE-BASED COMPENSATION        
Weighted average fair value of Options   $ 0.38 $ 0.91  
Expected volatility 108.40% 108.40% 98.60%  
Risk-free interest rate 3.77% 3.77% 3.90%  
Expected term (years) 6 years 1 month 6 days 6 years 1 month 6 days 5 years 9 months 18 days