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Fair Value Measurements - Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jul. 31, 2025 | Jul. 31, 2024
--- | --- | ---
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | $ 1,858 | $ 84,159
Convertible Note Receivable [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | 1,858 | 1,146
Available-for-sale securities - Corporate and U.S. Agency Bonds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 59,298
Available-for-sale securities - U.S. Treasury Bills [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 3,967
Investment in Cyclo - Common Stock [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 10,746
Convertible note receivables, due from Cyclo [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 5,191
Investment in Cyclo - Warrants [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 1,264
Hedge funds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 2,547
Level 1 [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 14,713
Level 1 [Member] | Convertible Note Receivable [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 1 [Member] | Available-for-sale securities - Corporate and U.S. Agency Bonds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 1 [Member] | Available-for-sale securities - U.S. Treasury Bills [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 3,967
Level 1 [Member] | Investment in Cyclo - Common Stock [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 10,746
Level 1 [Member] | Convertible note receivables, due from Cyclo [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 1 [Member] | Investment in Cyclo - Warrants [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 1 [Member] | Hedge funds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 2 [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 59,298
Level 2 [Member] | Convertible Note Receivable [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 2 [Member] | Available-for-sale securities - Corporate and U.S. Agency Bonds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 59,298
Level 2 [Member] | Available-for-sale securities - U.S. Treasury Bills [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 2 [Member] | Investment in Cyclo - Common Stock [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 2 [Member] | Convertible note receivables, due from Cyclo [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 2 [Member] | Investment in Cyclo - Warrants [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 2 [Member] | Hedge funds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 3 [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | 1,858 | 10,148
Level 3 [Member] | Convertible Note Receivable [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets | $ 1,858 | 1,146
Level 3 [Member] | Available-for-sale securities - Corporate and U.S. Agency Bonds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 3 [Member] | Available-for-sale securities - U.S. Treasury Bills [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 3 [Member] | Investment in Cyclo - Common Stock [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  |
Level 3 [Member] | Convertible note receivables, due from Cyclo [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 5,191
Level 3 [Member] | Investment in Cyclo - Warrants [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | 1,264
Level 3 [Member] | Hedge funds [Member] |  |
Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis [Line Items] |  |
Assets |  | $ 2,547

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