Income Taxes - Components of Deferred Tax (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Deferred tax assets: | ||
| Asset retirement obligations | $ 360 | $ 315 |
| Transaction costs arising on common stock issued | 599 | 1,018 |
| Tax losses carried forward | 198,600 | 115,669 |
| Leases | 2,589 | 2,491 |
| Employee benefits | 215 | 279 |
| Accrued expenses and liabilities | 780 | 317 |
| Other | 873 | 243 |
| Total deferred tax assets | 204,016 | 120,332 |
| Deferred tax liabilities: | ||
| Exploration assets | (157,039) | (80,596) |
| Other | (50) | (101) |
| Total deferred tax liabilities | (157,089) | (80,697) |
| Total net deferred tax assets | 46,927 | 39,634 |
| Less: Valuation allowance | (46,927) | (39,634) |
| Net deferred tax assets | $ 0 | $ 0 |
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- Definition Deferred Tax Assets, Leasing Arrangements No definition available.
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- Definition Deferred Tax Assets, Transaction Costs Arising On Common Stock Issued No definition available.
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- Definition Deferred Tax Liabilities, Exploration Assets No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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