Schedule of Share Purchase Warrants, Activity (Details)	12 Months Ended
	Jul. 31, 2015 USD ($) shares
Capital Stock Schedule Of Share Purchase Warrants, Activity 1	1,558,812
Capital Stock Schedule Of Share Purchase Warrants, Activity 2	4.95
Capital Stock Schedule Of Share Purchase Warrants, Activity 3	1.45
Capital Stock Schedule Of Share Purchase Warrants, Activity 4	2,600,000
Capital Stock Schedule Of Share Purchase Warrants, Activity 5	2.50
Capital Stock Schedule Of Share Purchase Warrants, Activity 6	5.00
Capital Stock Schedule Of Share Purchase Warrants, Activity 7	(1,008,812)
Capital Stock Schedule Of Share Purchase Warrants, Activity 8	7.06
Capital Stock Schedule Of Share Purchase Warrants, Activity 9 | $	$ 0
Capital Stock Schedule Of Share Purchase Warrants, Activity 10	3,150,000
Capital Stock Schedule Of Share Purchase Warrants, Activity 11	2.25
Capital Stock Schedule Of Share Purchase Warrants, Activity 12	4.55
Capital Stock Schedule Of Share Purchase Warrants, Activity 13	1,859,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 14	2.60
Capital Stock Schedule Of Share Purchase Warrants, Activity 15	3.00
Capital Stock Schedule Of Share Purchase Warrants, Activity 16	5,009,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 17	2.38
Capital Stock Schedule Of Share Purchase Warrants, Activity 18	3.08
Capital Stock Schedule Of Share Purchase Warrants, Activity 19	2,850,000
Capital Stock Schedule Of Share Purchase Warrants, Activity 20	2.35
Capital Stock Schedule Of Share Purchase Warrants, Activity 21	2.90
Capital Stock Schedule Of Share Purchase Warrants, Activity 22	7,859,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 23	2.37
Capital Stock Schedule Of Share Purchase Warrants, Activity 24	2.38