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Income Taxes (Details Narrative) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 | Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2020
Undistributed Earnings of Foreign Subsidiaries |  | $ 297,000 |  |
Operating Loss Carryforwards |  | $ 100,000 |  |
Operating loss expiration description |  | U.S. federal net operating loss carryforwards of $97 million expire in fiscal 2027 through fiscal 2038, and $3 million do not expire. |  |
Net operating loss carryforwards subject to expiration |  | $ 97,000 |  |
Net operating loss carryforwards no expiration |  | 3,000 |  |
Foreign net operating loss carry forwards |  | 75,000 |  |
Foreign net operating loss carry forwards no expiration |  | 63,000 |  |
Foreign net operating loss, expiration in two to ten years. |  | 11,000 |  |
Foreign net operating loss, expiration in twenty years |  | 1,000 |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction |  |  | $ (47,995) | $ (15,470)
Tax credit award recommendation amount | $ 1,800 |  |  |
Valuation Allowance Utilized Future Expense [Member] |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  | $ 46,500 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction |  |  |  | 8,400
Valuation Allowance Utilized Current Expense [Member] |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction |  |  |  | $ 3,500
Subsidiaries [Member] |  |  |  |
Operating Loss Carryforwards |  | $ 14,000 |  |
Net operating losses expiration, description |  | The Company’s subsidiary, net2phone, has additional U.S. federal net operating loss carryforwards of approximately $14 million, which will expire through fiscal 2027. |  |
Total Subsidiary Tax Net Operating Loss Carry Forwards Annual Limit Amount Under Internal Revenue Code |  | $ 7,000 |  |

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