REVENUE RECOGNITION REVENUE RECOGNITION - Contract Balances (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2020
Disaggregation of Revenue [Line Items]
Contract assets	$ 369	$ 627
Deferred revenue - current	2,705	2,212
Deferred revenue - long-term	134	108
Total deferred revenue	2,839	2,320	$ 2,464
Trade Accounts Receivable
Disaggregation of Revenue [Line Items]
Accounts receivable, trade, net	$ 40,083	$ 36,547

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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