Note 8 - Equity Investments - Equity Investments (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jul. 31, 2025
Equity investments, current	$ 9,913	$ 5,637
Noncurrent equity investments	5,879	6,658
Zedge, Inc. Class B Common Stock [Member]
Equity investments, current	141	170
Rafael Holdings, Inc. [Member]
Equity investments, current	568	755
Other Marketable Equity Securities [Member]
Equity investments, current	6,385	146
Mutual Fund [Member]
Equity investments, current	2,819	4,566
Visa Series C Preferred Stock [Member]
Equity investments, noncurrent	346	902
Hedge Funds [Member]
Equity investments, noncurrent	4,156	3,031
Other Long-Term Investments [Member]
Equity investments, noncurrent	$ 1,377	$ 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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