Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Fair Value, Option, Quantitative Disclosures [Line Items]
Investment in hedge funds	$ 3,000	$ 2,900
Contingent consideration payment	$ 300	2,100	$ 2,500
Number of shares issued in acquisition, value		100	100
Other Operating Income (Expense) [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Gain on write-off of contingent consideration payment obligation		$ 1,800	1,600
Estimated fair value of contingent consideration			$ 200
Common Stock [Member] \| Common Class B [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Number of shares issued in acquisition		2,679	3,051
Number of shares issued in acquisition, value

Investment in hedge funds.

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

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