Note 8 - Equity-Accounted Investments - Equity-Accounted Investment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Balance			$ 58,809
Capital contribution			538
Share of income (loss)			(1,494)
Gain on dilution of ownership interest			27
Foreign exchange difference			(2,699)
Balance	$ 55,181		55,181
Total	(991)	$ 192	(1,467)	$ 1,652
Uranium Royalty Corp [Member]
Balance			34,978
Capital contribution			0
Share of income (loss)			(302)
Gain on dilution of ownership interest			27
Foreign exchange difference			(1,608)
Balance	33,095		33,095
JCU (Canada) Exploration Company Limited [Member]
Balance			23,831
Capital contribution			538
Share of income (loss)			(1,192)
Gain on dilution of ownership interest			0
Foreign exchange difference			(1,091)
Balance	22,086		22,086
Uranium Royalty Corp and JCU (Canada) Exploration Company Limited [Member]
Share of income (loss)	(1,013)	182	(1,494)	1,221
Gain on dilution of ownership interest	22	10	27	431
Total	$ (991)	$ 192	$ (1,467)	$ 1,652