Stockholders’ Equity (Tables)

3 Months Ended

Oct. 31, 2020

Stockholders' Equity Note [Abstract]

Schedule of stock option activity

	Three months ended October 31,
	2020		2019
Stock options	$	166		218
Restricted stock		1		1
	$	167		219

Schedule of share-based payment arrangement

	Three months ended October 31,
	2020		2019
Selling, general and administrative	$	154		219
Cost of revenues		13		—
	$	167		219

Schedule of stock option activity

	Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value (000s)
Outstanding at July 31, 2020		2,636,496		$	4.05
Awarded		68,500		$	2.14
Exercised		—						$
Cancelled or expired		(52,000	)	$	4.51
Outstanding at end of period		2,652,996		$	3.86		2.75 years	$	23
Exercisable at end of period		1,537,662		$			1.4 years	$

Schedule of nonvested performance-based units activity

Grant Date	Total Grant		Forfeitures			Outstanding		Fair Market Value At Grant Date (000s)
7/31/2018		32,000		(6,000	)		26,000	$	124
1/3/2019		80,500		(14,500	)		66,000	$	196
2/25/2020		98,600		—			98,600	$	217