Schedule of Share Transaction Activity (Details) (USD $)	6 Months Ended
	Jan. 31, 2014
Capital Stock Schedule Of Share Transaction, Activity 1	$ 86,032,285
Capital Stock Schedule Of Share Transaction, Activity 2	3,380,954
Capital Stock Schedule Of Share Transaction, Activity 3	1.75
Capital Stock Schedule Of Share Transaction, Activity 4	1.75
Capital Stock Schedule Of Share Transaction, Activity 5	5,909,051
Capital Stock Schedule Of Share Transaction, Activity 6	67,803
Capital Stock Schedule Of Share Transaction, Activity 7	0.33
Capital Stock Schedule Of Share Transaction, Activity 8	0.33
Capital Stock Schedule Of Share Transaction, Activity 9	22,501
Capital Stock Schedule Of Share Transaction, Activity 10	130,239
Capital Stock Schedule Of Share Transaction, Activity 11	2.10
Capital Stock Schedule Of Share Transaction, Activity 12	2.41
Capital Stock Schedule Of Share Transaction, Activity 13	290,552
Capital Stock Schedule Of Share Transaction, Activity 14	89,611,281
Capital Stock Schedule Of Share Transaction, Activity 15	151,060
Capital Stock Schedule Of Share Transaction, Activity 16	1.69
Capital Stock Schedule Of Share Transaction, Activity 17	1.88
Capital Stock Schedule Of Share Transaction, Activity 18	266,366
Capital Stock Schedule Of Share Transaction, Activity 19	30,386
Capital Stock Schedule Of Share Transaction, Activity 20	1.81
Capital Stock Schedule Of Share Transaction, Activity 21	1.81
Capital Stock Schedule Of Share Transaction, Activity 22	55,000
Capital Stock Schedule Of Share Transaction, Activity 23	$ 89,792,727