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Fair Value Measurements (Tables)

12 Months Ended

Jul. 31, 2025

Fair Value Measurements [Abstract]

Schedule of Assets Required to be Measured at Fair Value on a Recurring Basis

The Company’s assets required to be measured at fair value on a recurring basis and where they are classified within the fair value hierarchy as of July 31, 2025 and July 31, 2024 are as follows:

		July 31, 2025
		Level 1				Level 2				Level 3				Total
Assets:		(in thousands)
Convertible notes receivable classified as available-for-sale		$	—			$	—			$	1,858			$	1,858
Total		$	—			$	—			$	1,858			$	1,858

		July 31, 2024
		Level 1				Level 2				Level 3				Total
Assets:		(in thousands)
Available-for-sale securities - Corporate and U.S. Agency Bonds		$	—			$	59,298			$	—			$	59,298
Available-for-sale securities - U.S. Treasury Bills			3,967				—				—				3,967
Investment in Cyclo - Common Stock			10,746				—				—				10,746
Convertible notes receivable, due from Cyclo			—				—				5,191				5,191
Investment in Cyclo - Warrants			—				—				1,264				1,264
Hedge funds			—				—				2,547				2,547
Convertible notes receivable classified as available-for-sale			—				—				1,146				1,146
Total		$	14,713			$	59,298			$	10,148			$	84,159

Schedule of Fair Value of the Assets Measured at Fair Value on a Recurring Basis

The following table summarizes the changes in the fair value of the assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

		Year Ended July 31,
		2025				2024
		(in thousands)
Balance, beginning of period		$	10,148			$	6,905
Withdrawal from Hedge Fund Investments			(2,547	)			(2,500	)
Unrealized gain on Hedge Fund			—				63
Investment in Cyclo Warrants			—				1,338
Unrealized loss on Cyclo Warrants			(1,264	)			(74	)
Funding of Cyclo Convertible Notes			19,500				4,000
Unrealized gain on issuance of Cyclo Convertible Notes			—				1,313
Change in fair value of Cyclo Convertible Notes			(719	)			(122	)
Conversion of Cyclo Convertible Note			(2,500	)			—
Forgiveness of Cyclo Convertible Notes in the Cyclo Merger			(21,472	)			—
Unrealized gain on Convertible note receivable, related party			—				742
Realized gain on convertible note receivable, related party released from accumulated other comprehensive income			—				(663	)
Conversion of convertible note receivable, related party			—				(2,000	)
Unrealized gain on convertible note receivable			—				—
Issuance of new convertible notes receivable			500				1,000
Change in fair value of convertible notes receivable classified as available-for sale			212				146
Balance, end of period		$	1,858			$	10,148

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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