Stockholders’ Equity (Tables)

6 Months Ended

Jan. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of amounts of share-based compensation expense

	Three months ended January 31,				Six months ended January 31,
	2022		2021		2022		2021
Stock options	$	510	$	175	$	660	$	341
Performance stock units		96		—		162		—
Restricted stock units		73		1		73		2
	$	679	$	176	$	895	$	343

Schedule of share-based payment arrangement

	Three months ended January 31,				Six months ended January 31,
	2022		2021		2022		2021
Selling, general and administrative	$	667	$	162	$	879	$	316
Cost of revenues		12		14		16		27
	$	679	$	176	$	895	$	343

Schedule of stock option activity

	Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value (000s)
Outstanding at July 31, 2021		2,504,563		$	3.74
Awarded		702,000		$	3.39
Exercised		—						$
Cancelled or expired		(406,396	)	$	7.05
Outstanding at end of period		2,800,167		$	3.17		2.6 years	$	1,149
Exercisable at end of period		1,481,966		$			1.2 years	$	633

Schedule of summarizes PSU’s granted and outstanding

Grant Date	Total Grant		Forfeitures			Outstanding		Fair Market Value At Grant Date (000s)
10/15/2019		80,500		(14,500	)		66,000	$	222
10/19/2020		98,600		—			98,600	$	207