Note 6 - Crypto Assets (Bitcoin) - Crypto Asset, Activity (Details)	12 Months Ended
Jul. 31, 2026 USD ($)
Balance, July 31, 2025	$ 0
Purchases of Bitcoin	42,139
Unrealized loss from changes in fair value	(10,663)
Balance, July 31, 2026	$ 31,476

Fair value of crypto asset. Excludes crypto asset held for platform user.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476163/350-60-45-1

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- Definition

Amount of increase in crypto asset from purchase. Excludes crypto asset held for platform user.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
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- Definition

Amount of realized and unrealized gain (loss) from remeasurement of crypto asset, classified as operating and nonoperating. Excludes crypto asset held for platform user.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476163/350-60-45-2

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