Note 7 - Equity-accounted Investments - Equity-accounted Investments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Balance			$ 48,110
Addition in URC			5,676	$ (0)
Balance	$ 56,453		56,453
Total	192	$ (116)	1,652	(85)
Uranium Royalty Corp and JCU (Canada) Exploration Company Limited [Member]
Balance			48,110
Share of income (loss) from URC and JCU	182	(506)	1,221	(701)
Gain on dilution of ownership interest in URC	10	390	431	616
Foreign exchange difference			(630)
Balance	56,453		56,453
Total	192	$ (116)	1,652	$ (85)
Uranium Royalty Corp [Member]
Balance			24,600
Addition in URC			5,676
Gain on dilution of ownership interest in URC			431
Balance	$ 32,300		32,300
JCU (Canada) Exploration Company Limited [Member]
Capital contribution to JCU			$ 1,645

Represents the amount of capital contribution to an equity method investment.

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of gain (loss) from foreign currency translation of an equity method investment.

+ References

No definition available.

+ Details

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- Definition

This item represents the entity's proportionate share for the period of the net gain on ownership interest dilution of its invested (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Represents the amount of income (loss) from Equity Method investment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
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-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

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Balance Type:	credit
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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

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- Details

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