Note 7 - Equity-Accounted Investments - Equity-Accounted Investment (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Balance	$ 58,809
Capital contribution	538
Share of income (loss)	(481)
Gain on dilution of ownership interest	5
Foreign exchange difference	(433)
Balance	58,438
Total	(476)	$ 1,459
Uranium Royalty Corp [Member]
Balance	34,978
Capital contribution	0
Share of income (loss)	(62)
Gain on dilution of ownership interest	5
Foreign exchange difference	(253)
Balance	34,668
JCU (Canada) Exploration Company Limited [Member]
Balance	23,831
Capital contribution	538
Share of income (loss)	(419)
Gain on dilution of ownership interest	0
Foreign exchange difference	(180)
Balance	23,770
Uranium Royalty Corp and JCU (Canada) Exploration Company Limited [Member]
Share of income (loss)	(481)	1,038
Gain on dilution of ownership interest	5	421
Total	$ (476)	$ 1,459