Common stock options granted, forfeited or expired and exercised - Stock-Based Compensation (Details Narrative) - $ / shares	18 Months Ended
	Jan. 31, 2016	Jul. 31, 2015
Options
Options Outstanding	45,626,438	30,233,074
Options Granted	18,345,768
Options Exercised	2,952,404
Options Exercisable	45,626,438
Weighted Average Exercise Price per Share	$ 0.0314	$ 0.0468
Weighted Average Exercise Price per Share, Granted	0.0010
Weighted Average Exercise Price per Share, Exercised	0.0010
Weighted Average Exercise Price per Share, Exercisable	$ 0.0314
Aggregate Intrinsic Vaalue
Options Outstanding	275,725
Options Exercisable	275,725