Schedule of Options Outstanding and Exerciseable (Details) (USD $)	3 Months Ended
	Oct. 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	1,972,254
Capital Stock Schedule Of Options Outstanding And Exerciseable 4	0.41
Capital Stock Schedule Of Options Outstanding And Exerciseable 5	1,972,254
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	11,324,000
Capital Stock Schedule Of Options Outstanding And Exerciseable 10	1.67
Capital Stock Schedule Of Options Outstanding And Exerciseable 11	3,764,000
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	$ 5.90
Capital Stock Schedule Of Options Outstanding And Exerciseable 15	2,143,273
Capital Stock Schedule Of Options Outstanding And Exerciseable 16	3.20
Capital Stock Schedule Of Options Outstanding And Exerciseable 17	2,139,940
Capital Stock Schedule Of Options Outstanding And Exerciseable 18	3.20
Capital Stock Schedule Of Options Outstanding And Exerciseable 19	15,439,527
Capital Stock Schedule Of Options Outstanding And Exerciseable 20	1.72
Capital Stock Schedule Of Options Outstanding And Exerciseable 21	7,876,194
Capital Stock Schedule Of Options Outstanding And Exerciseable 22	2.10