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Stock-Based Compensation (Tables)

12 Months Ended

Jul. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of weighted average assumptions in its BSM pricing model

Fiscal year ended July 31,		2021				2020
Expected term			6.0 years				6.0 years
Volatility			92.3	%			82.9	%
Risk free interest rate			0.7	%			1.6	%
Dividends			—				—

Schedule of weighted average grant date fair value of options granted

		Number of Options (in thousands)				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (in years)				Aggregate Intrinsic Value (in thousands)
Outstanding at July 31, 2019			1,231			$	1.60				6.32			$	642
Granted			208				1.82
Exercised			(86	)			0.13
Cancelled / forfeited			(126	)			1.35
Outstanding at July 31, 2020			1,227			$	1.76				5.95			$	402
Granted			189				5.40
Exercised			(560	)			1.56
Cancelled / forfeited			(13	)			1.48
Outstanding at July 31, 2021			843			$	2.72				6.76			$	10,657
Exercisable at July 31, 2021			548			$	1.95				5.59			$	7,351

Schedule of weighted average grant date fair value of options granted

July 31, (in thousands except per share amounts)		2021				2020
Weighted average grant date fair value of options granted		$	4.09			$	1.28
Intrinsic value of options exercised			3,978				109
Fair value of awards vested			135				197

Schedule of restricted shares non-vested deferred stock units

		Number of Shares				Weighted Average Grant Date Fair Value
Non-vested stock award as of July 31, 2019			195,375			$	2.33
Granted			31,945				1.97
Vested			(122,192	)			2.26
Forfeited			-				-
Non-vested stock award as of July 31, 2020			105,128				2.30
Granted			113,831				3.34
Vested			(91,659	)			2.24
Forfeited			-				-
Non-vested stock award as of July 31, 2021			127,300			$	3.27

Schedule of restricted shares non-vested deferred stock units

		Number of Shares				Weighted Average Grant Date Fair Value
Non-vested DSU award as of July 31, 2019			-				-
Granted			92,544				1.55
Vested			-				-
Forfeited			(32,000	)			1.54
Non-vested DSU award as of July 31, 2020			60,544			$	1.56
Granted			-				-
Vested			(17,044	)			1.60
Forfeited			(6,000	)			1.54
Non-vested DSU award as of July 31, 2021			37,500			$	1.54

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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of the change in restricted stock units (RSUs).

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Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year.

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