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Schedule of Carrying Value of Equity Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2023
Cash and Cash Equivalents [Abstract] |  |  |
Balance, beginning of period | $ 964 | $ 1,632 | $ 1,501
Upward adjustment |  | 130 |
Redemption for Visa Series C Preferred mandatory release assessment |  | (877) |
Adjustment for observable transactions involving a similar investment from the same issuer | 207 | 309 | 131
Redemptions |  | (230) |
Impairments |  |  |
BALANCE, END OF PERIOD | $ 1,171 | $ 964 | $ 1,632

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- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
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- Definition Amount of impairment loss on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
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- Definition Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-3 + Details
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