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Fair Value Measurements (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2022
Fair Value, Option, Quantitative Disclosures [Line Items]
Investment in hedge funds	$ 2,900	$ 3,000
Contingent consideration payment	2,100	2,500
Business acquisition holdback payment	100	100	$ 1,000
Gain on write-off of contingent consideration payment obligation	(500)
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	$ 300
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	28,000
Business acquisition holdback payment

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