Quarterly report [Sections 13 or 15(d)]

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

v3.25.2
SHARE-BASED COMPENSATION - Fair value of share options outstanding and exercisable (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2025
$ / shares
Jun. 30, 2025
$ / shares
Jun. 30, 2024
$ / shares
Dec. 31, 2024
$ / shares
Canadian Dollar Share Options        
SHARE-BASED COMPENSATION        
Weighted average fair value of Options $ 0.08     $ 0.26
Expected volatility 96.00% 96.00%   99.70%
Risk-free interest rate 3.95% 3.95%   4.40%
Expected term (years) 6 years 4 months 24 days 6 years 4 months 24 days   6 years 7 months 6 days
US Dollar Share Options        
SHARE-BASED COMPENSATION        
Weighted average fair value of Options   $ 0.48 $ 0.91  
Expected volatility 100.80% 100.80% 98.60%  
Risk-free interest rate 3.86% 3.86% 3.90%  
Expected term (years) 5 years 8 months 12 days 5 years 8 months 12 days 5 years 9 months 18 days