Income Taxes (Provision for Income Taxes) (Details) - USD ($)	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2023
Income Tax Disclosure [Abstract]
Federal - current	$ 673,000	$ 377,000	$ (258,000)
Federal - deferred	0	(2,345,000)	(4,623,000)
State and local - current	514,000	1,181,000	1,412,000
State and local - deferred	0	(834,000)	(815,000)
Foreign - current	433,000	1,137,000	958,000
Foreign - deferred	(1,700,000)	189,000	(622,000)
Benefit from income taxes	$ (80,000)	$ (295,000)	$ (3,948,000)