Note 5 - Mineral Rights and Properties - Mineral Property Expenditures (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2024 |
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Permitting and compliance | $ 253 | $ 394 | $ 855 | $ 1,733 |
| Property maintenance | 1,246 | 1,073 | 3,738 | 3,020 |
| Exploration | 3,079 | 4,668 | 8,919 | 9,985 |
| Development | 6,493 | 1,769 | 18,759 | 3,414 |
| Extraction readiness | 4,609 | 1,167 | 11,166 | 3,296 |
| Total | $ 15,680 | $ 9,071 | $ 43,437 | $ 21,448 |
| X | ||||||||||
- Definition Amount of mineral property expenditures. No definition available.
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| X | ||||||||||
- Definition Amount of permitting and compliance costs. No definition available.
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| X | ||||||||||
- Definition The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of capitalized development cost incurred during period and excluded from amortization for oil- and gas-producing activities accounted for under full cost method. Excludes acquisition and exploration costs and capitalized interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of capitalized exploration cost incurred during period and excluded from amortization for oil- and gas-producing activities accounted for under full cost method. Excludes acquisition and development costs and capitalized interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of capitalized production cost incurred during period for oil- and gas-producing activities. Includes cost incurred to operate and maintain well and related equipment and facility. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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