Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Note 9 - Investments in Equity Securities (Details Textual) - USD ($) $ in Thousands		5 Months Ended	6 Months Ended
	Jan. 15, 2025	Jan. 15, 2025	Jan. 31, 2025	Jan. 31, 2024
Payments to Acquire Equity Securities, FV-NI			$ 10,455	$ 5,548
Equity Securities, FV-NI, Unrealized Gain (Loss)			$ (8,530)
Anfield Energy, Inc. [Member]
Number of Shares Acquired (in shares)	107,142,857
Payments to Acquire Equity Securities, FV-NI		$ 10,460