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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Undistributed earnings of foreign subsidiaries $ 297,000    
Operating loss carryforwards $ 86,000    
Operating loss expiration description U.S. federal net operating loss carryforwards of $83 million expire in fiscal 2028 through fiscal 2038, and $3 million do not expire.    
Net operating loss carryforwards subject to expiration $ 83,000    
Net operating loss carryforwards no expiration 3,000    
Foreign net operating loss carry forwards 74,000    
Foreign net operating loss carry forwards no expiration 63,000    
Foreign net operating loss, expiration in two to ten years. 10,000    
Foreign net operating loss, expiration in twenty years 1,000    
Income tax expense benefit (6,354) $ 16,441 $ 5,878
Valuation allowances and reserves charged to cost and expense 2,984 2,537 48
Deductions (3,507)
Valuation Allowance Utilized Future Expense [Member]      
Decrease in valuation allowance 3,000 1,000  
Valuation allowances and reserves charged to cost and expense 3,500 2,500  
Decrease in deferred income tax assets 200 2,800  
Deductions 300 $ 700  
Subsidiaries [Member]      
Operating loss carryforwards $ 11,000    
Net operating loss carryforwards year of expiratio, description The Company’s subsidiary, net2phone, has additional U.S. federal net operating loss carryforwards of approximately $11 million, which will expire through fiscal 2027.    
Losses limited under internal revenue code $ 7,000    
Reacquisition and limitation 9,000    
Income tax expense benefit $ 23,600