REVENUE RECOGNITION - Summary of Changes in Deferred Revenue (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021
Change in Deferred Revenue
Balance at beginning of period	$ 2,320	$ 2,464
Deferral of revenue	2,368	2,284
Recognition of deferred amounts upon satisfaction of performance obligation	(1,849)	(2,428)
Balance at end of period	$ 2,839	$ 2,320