Income Taxes (Income Before Provision for Income Taxes) (Details) - USD ($)	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Income Tax Disclosure [Abstract]
U.S.	$ (21,327,000)	$ (31,772,000)	$ (73,153,000)
Foreign	(9,520,000)	(5,303,000)	(1,827,000)
Loss before benefit from income taxes	$ (30,847,000)	$ (37,075,000)	$ (74,980,000)