Stockholders' Equity (Tables)

12 Months Ended

Jul. 31, 2017

Equity [Abstract]

Schedule of Warrant Activity

A summary of our warrant activity and related data is as follows:

	Shares
Outstanding at July 31, 2015		5,035,156
Issued		20,376,219
Exercised		(2,898,670	)
Expired		(15,456,279	)
Outstanding at July 31, 2016		7,056,426
Issued		1,724,235
Exercised		(347,451	)
Expired/Cancelled		(129,374	)
Outstanding at July 31, 2017		8,303,836

Schedule of Warrants Outstanding

The following table summarizes information related to warrants outstanding at July 31, 2017:

Expiration	Exercise
Date	Price		Shares
09/17/17	$	1.38		113,520
01/24/18	$	0.83		375,000
08/29/19	$	0.75		4,104,980
11/23/20	$	0.45		1,986,101
12/01/21	$	1.25		1,176,472
12/01/21	$	1.28		117,647
01/23/22	$	1.25		396,469
01/23/22	$	1.28		33,647
				8,303,836