Note 10 - Equity-Accounted Investment (Details Textual) - USD ($) $ in Thousands	Jul. 31, 2025	Jul. 31, 2024
Uranium Royalty Corp [Member]
Equity Method Investment, Shares Owned (in shares)	17,978,364
Equity Method Investment, Ownership Percentage	13.50%	14.80%
Ownership Interest Percentage, Contingent, Outstanding Options and Warrants Fully Exercised	13.30%
Equity Method Investments, Fair Value Disclosure	$ 46,560	$ 43,330
JCU (Canada) Exploration Company Limited [Member]
Equity Method Investment, Ownership Percentage	50.00%

Fair value portion of investments accounted under the equity method.

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