Income taxes - Summary of components of deferred income tax (Detail) - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | |||
| Exploration and evaluation assets | $ (3,534,538) | $ (2,687,855) | $ (3,139,298) |
| Loss carryforwards | 1,061,600 | 807,468 | 943,211 |
| Deferred tax liabilities, net | $ (2,472,938) | $ (1,880,387) | $ (2,196,087) |
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- Definition Amount of income tax payable in future period. No definition available.
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- Definition The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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