Derivative Liabilities - Derivative warrant liability (Details) - USD ($)	9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Jul. 31, 2015
Notes to Financial Statements
Balance - Derivative warrant liability Value	$ 2,363,415
Decrease in fair value of derivative warrant liability	1,082,111	$ 53,597
Balance - Derivative warrant liability Value	$ 1,281,304
No. of Warrants - Derivative warrant liability	383,877,521		512,911,037
Decrease in fair value of derivative warrant liability - No. of Warrants	129,033,516