Exercise price of the warrants.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Stockholders' Equity - Private Placements (Details) - USD ($)		3 Months Ended
	Oct. 23, 2015	Oct. 31, 2015	Oct. 31, 2014	Nov. 23, 2015	Jul. 31, 2015
Proceeds from Issuance or Sale of Equity [Abstract]
Common stock, issued		55,211,380			41,859,297
Proceeds from issuance of private placement		$ 2,000,000
Volatility			133.74%
Interest rate			1.50%
Dividend yield			0.00%
Price Adjustment Terms in Subscription Agreements in Prior Private Placements [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common stock, issued			127,993
Warrants to purchase common stock shares			648,053
Warrants exercise period			5 years
Fair value of warrants			$ 651,000
Volatility			133.74%
Interest rate			1.50%
Dividend yield			0.00%
Private Placement [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common stock, issued	13,333,333		9,958,032
Share price	$ 0.45
Warrants to purchase common stock shares	15,333,332		4,004,259
Proceeds from issuance of private placement	$ 6,000,000		$ 7,490,000
Warrants exercise price		$ 0.45	$ 0.75
Fair value of warrants			$ 3,746,000
Minimum [Member] \| Price Adjustment Terms in Subscription Agreements in Prior Private Placements [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Warrants exercise price			$ 0.01
Maximum [Member] \| Price Adjustment Terms in Subscription Agreements in Prior Private Placements [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Warrants exercise price			$ 0.75
Five Year Warrants [Member] \| Private Placement [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Share price		$ 0.75
Warrants to purchase common stock shares	6,666,666
Warrants exercise period		5 years	5 years
Warrants exercise price		$ 0.45
Volatility		90.00%
Interest rate		1.50%
Six Month Warrants [Member] \| Private Placement [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Share price		$ 0.75
Warrants to purchase common stock shares	8,666,666			2,820,670
Warrants exercise period		6 months
Warrants exercise price		$ 0.45
Volatility		90.00%
Interest rate		0.20%