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Trade Accounts Receivable (Details) - Schedule of trade accounts receivable - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021
Schedule Of Trade Accounts Receivable Abstract
Trade Accounts Receivable	$ 196	$ 315
Accounts Receivable - Related Party	158	113
Less Allowance for Doubtful Accounts	(197)	(193)
Trade Accounts Receivable, net	$ 157	$ 235

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

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