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Environmental Reclamation Liability - Movements in the environmental reclamation liability (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Environmental Reclamation Liability          
Balance at beginning of period     $ 764,607 $ 10,800,936  
Additions $ 854,662 $ 22,285 $ 1,422,288 $ 604,222  
Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration Not Disclosed Flag     true true  
Work performed on early action items     $ (1,937,538) $ (8,650,891)  
Current portion 249,357 2,297,523 249,357 2,297,523 $ 764,607
Non-current portion   456,744   456,744  
Balance at end of period $ 249,357 $ 2,754,267 $ 249,357 $ 2,754,267