Note 7 - Equity-Accounted Investments (Details Textual) - USD ($) $ in Thousands	Jan. 31, 2026	Jul. 31, 2025
Uranium Royalty Corp [Member]
Equity Method Investment, Shares Owned (in shares)	17,978,364
Equity Method Investment, Ownership Percentage	12.30%	13.50%
Ownership Interest Percentage, Contingent, Outstanding Options and Warrants Fully Exercised	12.10%
Equity Method Investments, Fair Value Disclosure	$ 83,060	$ 46,560
JCU (Canada) Exploration Company Limited [Member]
Equity Method Investment, Ownership Percentage	50.00%

Fair value portion of investments accounted under the equity method.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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