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Schedule of Equity Investments (Details) - USD ($)
$ in Thousands
Oct. 31, 2025
Jul. 31, 2025
Schedule of Equity Method Investments [Line Items]    
Current equity investments $ 5,544 $ 5,637
Noncurrent equity investments 4,650 6,658
Other Marketable Equity Securities [Member]    
Schedule of Equity Method Investments [Line Items]    
Current equity investments 134 146
Mutual Fund [Member]    
Schedule of Equity Method Investments [Line Items]    
Current equity investments 4,695 4,566
Convertible Preferred Stock [Member]    
Schedule of Equity Method Investments [Line Items]    
Noncurrent equity investments
Hedge Funds [Member]    
Schedule of Equity Method Investments [Line Items]    
Noncurrent equity investments 3,044 3,031
Other Investments [Member]    
Schedule of Equity Method Investments [Line Items]    
Noncurrent equity investments 1,225 2,725
Common Class B [Member] | Rafael Holdings Inc [Member]    
Schedule of Equity Method Investments [Line Items]    
Current equity investments 608 755
Common Class B [Member] | Zedge Inc [Member]    
Schedule of Equity Method Investments [Line Items]    
Current equity investments 107 170
Series C Convertible Preferred Stock [Member] | Visa Inc [Member]    
Schedule of Equity Method Investments [Line Items]    
Noncurrent equity investments $ 381 $ 902