Schedule of Share Purchase Warrants, Activity (Details) (USD $)	3 Months Ended
	Oct. 31, 2013
Capital Stock Schedule Of Share Purchase Warrants, Activity 1	$ 3,150,000
Capital Stock Schedule Of Share Purchase Warrants, Activity 2	2.25
Capital Stock Schedule Of Share Purchase Warrants, Activity 3	2.90
Capital Stock Schedule Of Share Purchase Warrants, Activity 4	1,859,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 5	2.60
Capital Stock Schedule Of Share Purchase Warrants, Activity 6	3.00
Capital Stock Schedule Of Share Purchase Warrants, Activity 7	$ 5,009,524
Capital Stock Schedule Of Share Purchase Warrants, Activity 8	2.38
Capital Stock Schedule Of Share Purchase Warrants, Activity 9	2.77