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Share capital (Tables)
3 Months Ended
Mar. 31, 2025
Stockholders' Equity Note [Abstract]  
Schedule of assumptions used to estimate the fair value of warrants [Table Text Block]
    Issue Date
March 10, 2025
       
Valuation date share price $ 3.40        
Exercise price $ 2.80        
Dividend yield   -        
Risk-free interest rate   3.98%        
Expected warrant life   5.00 years        
Expected volatility   97.81%        
 
    2024  
Valuation date share price $ 2.65  
Exercise price $ 4.64  
Expected dividend yield   -  
Risk-free interest rate   4.32%  
Expected term (in years)   5 years  
Expected volatility   95%  
Schedule of warrants outstanding [Table Text Block]
Public Warrants outstanding  
Expiry date   Exercise price     Number outstanding  
November 15, 2029 $ 4.64     1,115,500  
March 10, 2030 $ 2.80     1,485,000