Schedule of Supplemental Disclosures Related to the Company's Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Leases
Operating lease cost	$ 743	$ 700	$ 2,130	$ 2,125
Short-term lease cost	277	217	877	412
Total lease cost	1,020	917	3,007	2,537
Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases	$ 724	$ 694	$ 2,089	$ 2,076