Note 6 - Mineral Rights and Properties - Mineral Rights and Property Acquisition Costs (Details) - USD ($) $ in Thousands	3 Months Ended
Oct. 31, 2022	Jul. 31, 2022
Balance	$ 188,336
Additions	386,446
Impact of foreign currency translation	(10,028)
Balance	564,754
Balance, July 31, 2022	(6,388)
Additions	0
Balance, October 31, 2022	(6,388)
Mineral rights and properties	558,366	$ 181,948
Uranium Mines/Projects, ISR Mines and Projects [Member]
Balance	171,649
Additions	0
Impact of foreign currency translation	0
Balance	171,649
Balance, July 31, 2022	(3,930)
Additions	0
Balance, October 31, 2022	(3,930)
Mineral rights and properties	167,719
Uranium Mines/Projects, Conventional Projects [Member]
Balance	12,295
Additions	386,446
Impact of foreign currency translation	(10,028)
Balance	388,713
Balance, July 31, 2022	0
Additions	0
Balance, October 31, 2022	0
Mineral rights and properties	388,713
Titanium Project, Conventional Project [Member]
Balance	1,933
Additions	0
Impact of foreign currency translation	0
Balance	1,933
Balance, July 31, 2022	0
Additions	0
Balance, October 31, 2022
Mineral rights and properties	1,933
Databases and Land Use Agreements [Member]
Balance	2,459
Additions	0
Impact of foreign currency translation	0
Balance	2,459
Balance, July 31, 2022	(2,458)
Additions	0
Balance, October 31, 2022	(2,458)
Mineral rights and properties	$ 1

Amount of additions to accumulated depletion of mineral properties.

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- Definition

Amount of additions to mineral properties and rights during the period.

+ References

No definition available.

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- Definition

Amount of impact of foreign currency translation on mineral properties.

+ References

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- Definition

The accumulated decrease in the carrying value of the mineral properties as a result of mine or mineral production.

+ References

No definition available.

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- Definition

Carrying amount at the balance sheet date of mineral properties, gross of adjustments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

Mineral properties, net of adjustments.

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