Stock-Based Compensation (Tables)

12 Months Ended

Jul. 31, 2020

Share-based Payment Arrangement [Abstract]

Common stock options granted, forfeited or expired and exercised

The following is a summary of the common stock options granted, forfeited or expired and exercised under the Plan:

	Options			Weighted Average Exercise Price per Share			Weighted Average Remaining Life (Years)		Aggregate Intrinsic Value
Outstanding - July 31, 2018		261,178		$	1.70			0.22	$	18,107
Granted		10,898,925		$	0.69			7.71	$	20,821,821
Forfeited or expired		(3,043,608	)	$	(0.44	)		8.35
Outstanding - July 31, 2019		8,116,495		$	0.85			7.22	$	16,306,351
Granted		1,404,200		$	1.49			4.17
Forfeited or expired		(673,670	)	$	1.51			5.45
Outstanding – July 31, 2020		8,847,025		$	0.90			5.96	$	508,932

Non-vested stock options activity

A summary of the status of the Company’s non-vested stock options the year then ended July 31, 2020 and 2019 is as follows:

Non-vested Options	Options			Weighted Average Grant Date Fair Value
Non-vested at July 31, 2018		—		$	—
Granted		10,898,925			0.65
Expired		—			—
Canceled		(2,798,600	)		0.27
Vested		(3,378,358	)		0.75
Non-vested at July 31, 2019		4,721,967		$	0.83
Granted		1,404,200			1.49
Expired		—			—
Canceled		(568,333	)		0.82
Vested		(1,475,067	)		0.83
Non-vested at July 31, 2020		4,082,767		$	1.06

Fair value assumptions used in Black-Scholes option-pricing

The following assumptions were used in the Black-Scholes option-pricing model:

	July 31, 2020			July 31, 2019
Exercise price		$1.44 – 1.49			$0.08 – $1.85
Time to expiration		5 years			5 to 10 years
Risk-free interest rate		1.51% - 1.59	%		2.03% - 3.15	%
Estimated volatility		153.4	%		135.2 - 222.2	%
Expected dividend		—			—