Stockholders' Equity - Private Placements (Details) - USD ($)			1 Months Ended		3 Months Ended			12 Months Ended
	Oct. 31, 2013	Oct. 16, 2013	Oct. 31, 2013	Aug. 31, 2013	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Jul. 31, 2015	Jul. 31, 2014	Oct. 31, 2014	Aug. 29, 2014	Jan. 23, 2014	Dec. 31, 2013	Aug. 13, 2013
Proceeds from Issuance or Sale of Equity [Abstract]
Warrants to purchase common stock shares											4,652,313
Proceeds from issuance of common stock and warrants								$ 7,401,000	$ 6,617,000
Transaction costs of stock issuance						$ 47,000,000
Expected term								1 year 4 months 24 days	2 years 4 months 24 days
Volatility								81.50%	163.50%
Interest rate								0.39%	0.98%
Proceeds from Issuance of Private Placement						$ 1,498,000,000
Common stock, shares outstanding					29,394,940			41,859,297	29,394,940
Common Stock,Issued					29,394,940			41,859,297	29,394,940	13,470,324
Warrant [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Shares issued									100,000
Warrants to purchase common stock shares					518,000				518,000
Interest rate									0.79%
Common Stock,Issued					100,662				100,662
Private Placement [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Shares issued	442,667	2,441,270	3,102,875	5,500,000	511,440	1,575,000	1,611,817	10,086,025
Warrants to purchase common stock shares								4,652,312
Proceeds from issuance of common stock and warrants								$ 7,493,000
Transaction costs of stock issuance	$ 8,000,000	$ 49,000,000		$ 43,000,000			$ 13,000,000	92,000	$ 285,000,000
Sale of stock, net proceeds								$ 7,401,000
Expected term								5 years
Fair value of warrants								$ 4,397,000
Volatility								133.74%
Interest rate								1.50%
Dividend yield								0.00%
Share Price	$ 0.75	$ 0.75	$ 0.75	$ 0.20									$ 0.70
Proceeds from Issuance of Private Placement	$ 324,000,000	$ 1,782,000,000	$ 2,106,000,000	$ 1,057,000,000	$ 455,000,000		1,501,000,000
Aggregate gross proceeds	$ 332,000,000	$ 1,831,000,000		$ 1,100,000,000		$ 1,545,000,000	$ 1,514,000,000
Common stock, shares outstanding													218,938
Minimum [Member] | Private Placement [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Exercise price								$ 0.01
Maximum [Member] | Private Placement [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Exercise price								$ 0.75
Bibicoff & McInnis [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common Stock,Issued														300,000
Pillar Marketing Group Incorporated [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common Stock,Issued														250,000
Donna Singer [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common Stock,Issued														300,000
Michael L. Krall [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common Stock,Issued														850,000
Former Employee [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common Stock,Issued					15,000				15,000			15,000
Former Director [Member]
Proceeds from Issuance or Sale of Equity [Abstract]
Common Stock,Issued					20,000				20,000