Share-Based Compensation (Tables)

3 Months Ended

Oct. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Option Activity

A summary of our stock option activity is as follows:

	Shares			Weighted- Average Exercise Price		Aggregate Intrinsic Value
Outstanding at July 31, 2018		7,626,093		$	1.09	$	—
Granted		100,000		$	0.65		—
Exercised		—		$	—		—
Cancelled		(50,000	)	$	0.78		—
Outstanding at October 31, 2018		7,676,093		$	1.09	$	—

Schedule of Fair Value Assumptions

The fair value of stock options was estimated at the grant date using the following weighted average assumptions:

	For the three months ended October 31,
	2018			2017
Volatility		62.52	%		86.98	%
Risk-free interest rate		2.80	%		1.80	%
Dividend yield		0.0	%		0.0	%
Expected life		3.02 years			5.45 years