Schedule of Share Purchase Warrants, Activity (Details) (USD $)	12 Months Ended
	Jul. 31, 2014
Capital Stock Schedule Of Share Purchase Warrants, Activity 1	4,348,983
Capital Stock Schedule Of Share Purchase Warrants, Activity 2	3.57
Capital Stock Schedule Of Share Purchase Warrants, Activity 3	0.79
Capital Stock Schedule Of Share Purchase Warrants, Activity 4	$ 1,276,280
Capital Stock Schedule Of Share Purchase Warrants, Activity 5	9.36
Capital Stock Schedule Of Share Purchase Warrants, Activity 6	0.75
Capital Stock Schedule Of Share Purchase Warrants, Activity 7	(112,451)
Capital Stock Schedule Of Share Purchase Warrants, Activity 8	3.16
Capital Stock Schedule Of Share Purchase Warrants, Activity 9	1.32
Capital Stock Schedule Of Share Purchase Warrants, Activity 10	(3,954,000)
Capital Stock Schedule Of Share Purchase Warrants, Activity 11	4.90
Capital Stock Schedule Of Share Purchase Warrants, Activity 12	0
Capital Stock Schedule Of Share Purchase Warrants, Activity 13	1,558,812
Capital Stock Schedule Of Share Purchase Warrants, Activity 14	4.95
Capital Stock Schedule Of Share Purchase Warrants, Activity 15	1.45
Capital Stock Schedule Of Share Purchase Warrants, Activity 16	2,600,000
Capital Stock Schedule Of Share Purchase Warrants, Activity 17	2.50
Capital Stock Schedule Of Share Purchase Warrants, Activity 18	5.00
Capital Stock Schedule Of Share Purchase Warrants, Activity 19	(1,008,812)
Capital Stock Schedule Of Share Purchase Warrants, Activity 20	7.06
Capital Stock Schedule Of Share Purchase Warrants, Activity 21	0
Capital Stock Schedule Of Share Purchase Warrants, Activity 22	3,150,000
Capital Stock Schedule Of Share Purchase Warrants, Activity 23	2.25
Capital Stock Schedule Of Share Purchase Warrants, Activity 24	4.55
Capital Stock Schedule Of Share Purchase Warrants, Activity 25	$ 1,859,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 26	2.60
Capital Stock Schedule Of Share Purchase Warrants, Activity 27	3.00
Capital Stock Schedule Of Share Purchase Warrants, Activity 28	5,009,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 29	2.38
Capital Stock Schedule Of Share Purchase Warrants, Activity 30	3.08