Schedule of Options Outstanding and Exerciseable (Details) (USD $)	6 Months Ended
	Jan. 31, 2014
Capital Stock Schedule Of Options Outstanding And Exerciseable 1	$ 0.33
Capital Stock Schedule Of Options Outstanding And Exerciseable 2	0.70
Capital Stock Schedule Of Options Outstanding And Exerciseable 3	2,647,288
Capital Stock Schedule Of Options Outstanding And Exerciseable 4	0.41
Capital Stock Schedule Of Options Outstanding And Exerciseable 5	2,647,288
Capital Stock Schedule Of Options Outstanding And Exerciseable 6	0.41
Capital Stock Schedule Of Options Outstanding And Exerciseable 7	0.71
Capital Stock Schedule Of Options Outstanding And Exerciseable 8	2.45
Capital Stock Schedule Of Options Outstanding And Exerciseable 9	3,826,250
Capital Stock Schedule Of Options Outstanding And Exerciseable 10	2.37
Capital Stock Schedule Of Options Outstanding And Exerciseable 11	3,747,500
Capital Stock Schedule Of Options Outstanding And Exerciseable 12	2.37
Capital Stock Schedule Of Options Outstanding And Exerciseable 13	2.46
Capital Stock Schedule Of Options Outstanding And Exerciseable 14	6.05
Capital Stock Schedule Of Options Outstanding And Exerciseable 15	2,315,098
Capital Stock Schedule Of Options Outstanding And Exerciseable 16	3.24
Capital Stock Schedule Of Options Outstanding And Exerciseable 17	2,209,267
Capital Stock Schedule Of Options Outstanding And Exerciseable 18	3.25
Capital Stock Schedule Of Options Outstanding And Exerciseable 19	8,788,636
Capital Stock Schedule Of Options Outstanding And Exerciseable 20	2.01
Capital Stock Schedule Of Options Outstanding And Exerciseable 21	$ 8,604,055
Capital Stock Schedule Of Options Outstanding And Exerciseable 22	1.99