CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Oct. 31, 2014	Jul. 31, 2014	Oct. 31, 2014 Series A Convertible Preferred Stock	Jul. 31, 2014 Series A Convertible Preferred Stock	Oct. 31, 2014 Series B Convertible Preferred Stock	Jul. 31, 2014 Series B Convertible Preferred Stock	Oct. 31, 2014 Series C Convertible Preferred Stock	Jul. 31, 2014 Series C Convertible Preferred Stock	Oct. 31, 2014 Series D Convertible Preferred Stock	Jul. 31, 2014 Series D Convertible Preferred Stock	Oct. 31, 2014 Series E Convertible Preferred Stock	Jul. 31, 2014 Series E Convertible Preferred Stock	Oct. 31, 2014 Series F Convertible Preferred Stock	Jul. 31, 2014 Series F Convertible Preferred Stock
Convertible preferred stock, par value (in dollars per share)			$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000	$ 1,000
Convertible preferred stock, shares authorized			5,500	5,500	2,000	2,000	750	750	750	750	2,450	2,450	4,150	4,150
Convertible preferred stock, shares issued			0	0	0	0	0	0	0	0	25	25	1,008	1,225
Convertible preferred stock, shares outstanding			0	0	0	0	0	0	0	0	25	25	1,008	1,225
Convertible preferred stock, cumulative percentage of interest			9.00%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	1,500,000,000	1,500,000,000
Common stock, shares issued	789,848,649	778,512,092
Common stock, shares outstanding	789,848,649	778,512,092