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Shareholders' Equity - Share-based compensation recognized in condensed consolidated statements of operations (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Equity |  |  |  |
Share-based compensation | $ 862,130 | $ 947,537 | $ 2,553,515 | $ 2,905,772
Exploration |  |  |  |
Equity |  |  |  |
Share-based compensation | 552,468 | 493,871 | 1,677,426 | 1,441,800
Corporate salaries and benefits |  |  |  |
Equity |  |  |  |
Share-based compensation | 262,248 | 399,230 | 540,592 | 1,092,454
Directors' fees |  |  |  |
Equity |  |  |  |
Share-based compensation | $ 47,414 | $ 54,436 | $ 335,497 | $ 371,518

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of cost expensed and capitalized for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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