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