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Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Schedule of stock-based compensation expense [Table Text Block]
  Three Months Ended March 31,
    2025     2024  
    $     $  
RSUs   388,494     378,935  
PSUs   107,899     128,754  
Stock options   106,846     165,160  
Allocated to general and administrative expense   603,239     672,849  
             
RSUs   80,930     70,230  
PSUs   28,722     33,952  
Stock options   24,393     30,492  
Allocated to exploration expense   134,045     134,674  
Total stock-based compensation expense   737,284     807,523  
Schedule of stock-based compensation awards [Table Text Block]
    Three Months Ended March 31,  
    2025           2024  
    Number     Weighted
average
fair value
$
    Number     Weighted
average
fair value
$
 
RSUs   629,532     3.03     913,668     2.12  
PSUs   107,259     3.61     442,217     2.45  
Stock options   108,634     1.50     445,966     1.05  
Total equity awards granted   845,425           1,801,851        
Schedule of unrecognized compensation expense and weighted-average vesting period for stock-based compensation awards [Table Text Block]
    Unrecognized
Compensation
Expense
    Weighted-
average
Vesting
Period
 
    $     (Years)  
RSUs   2,723,584     1.75  
PSUs   859,836     1.51  
Stock options   403,361     1.55