Schedule of Options Outstanding and Exerciseable (Details) (USD $)	3 Months Ended
	Oct. 31, 2013
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	3,851,250
Capital Stock Schedule Of Options Outstanding And Exerciseable 10	2.37
Capital Stock Schedule Of Options Outstanding And Exerciseable 11	3,716,250
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	11.28
Capital Stock Schedule Of Options Outstanding And Exerciseable 15	2,320,948
Capital Stock Schedule Of Options Outstanding And Exerciseable 16	3.26
Capital Stock Schedule Of Options Outstanding And Exerciseable 17	2,199,284
Capital Stock Schedule Of Options Outstanding And Exerciseable 18	3.27
Capital Stock Schedule Of Options Outstanding And Exerciseable 19	8,819,486
Capital Stock Schedule Of Options Outstanding And Exerciseable 20	2.02
Capital Stock Schedule Of Options Outstanding And Exerciseable 21	$ 8,562,822
Capital Stock Schedule Of Options Outstanding And Exerciseable 22	2.00