Note 5 - Mineral Rights and Properties - Mineral Property Expenditures (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Permitting and compliance	$ 312	$ 456	$ 602	$ 1,339
Property maintenance	1,244	962	2,493	1,947
Exploration	923	2,915	5,840	5,317
Development	7,584	1,119	12,266	1,645
Extraction readiness	4,180	1,239	6,556	2,129
Total	$ 14,243	$ 6,691	$ 27,757	$ 12,377

Amount of mineral property expenditures.

No definition available.

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- Definition

Amount of permitting and compliance costs.

+ References

No definition available.

+ Details

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- 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

+ Details

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- 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.

+ References

+ Details

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- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(a)(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

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