Note 8 - Equity Investments - Equity Investments (Details) - USD ($) $ in Thousands	Jul. 31, 2026	Jul. 31, 2025
Equity investments, current	$ 12,642	$ 5,637
Noncurrent equity investments	6,068	6,658
Zedge, Inc. Class B Common Stock [Member]
Equity investments, current	125	170
Rafael Holdings, Inc. [Member]
Equity investments, current	867	755
Other Marketable Equity Securities [Member]
Equity investments, current	8,853	146
Mutual Fund [Member]
Equity investments, current	2,797	4,566
Visa Series C Preferred Stock [Member]
Equity investments, noncurrent	383	902
Hedge Funds [Member]
Equity investments, noncurrent	4,265	3,031
Other Long-Term Investments [Member]
Equity investments, noncurrent	$ 1,420	$ 2,725

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

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