Investment in hedge funds.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Jul. 31, 2023
Fair Value, Option, Quantitative Disclosures [Line Items]
Investment in hedge funds	$ 2,900		$ 2,900		$ 3,000
Payment for Contingent Consideration Liability, Investing Activities			1,900	$ 2,200
Business combination contingent consideration prior acquisition value	$ 100		100
Business combination, contingent consideration arrangements, change in amount of contingent consideration, liability			$ 100	1,600
Other Operating Income (Expense) [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Liabilities, fair value adjustment		$ 200		$ 200
Common Class B [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Business combination contingent consideration prior acquisition shares			2,679
Business combination contingent consideration prior acquisition value			$ 100