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Environmental Reclamation Liability (Details) - USD ($) | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2021 | Dec. 31, 2024 | Dec. 31, 2023
Environmental Reclamation Liability |  |  |  |  |
Work performed on early action items | $ 0 | $ 1,937,538 |  |  |
Environmental reclamation liability | $ 0 | $ 249,357 |  | $ 0 | $ 764,607
Payment for cash collateral |  |  | $ 7,500,000 |  |
Cash collateral for a surety bond |  |  | $ 3,000,000 |  |

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