Schedule of Share Transaction, Activity (Details) (USD $)	12 Months Ended
	Jul. 31, 2014
Capital Stock Schedule Of Share Transaction Activity 1	73,487,337
Capital Stock Schedule Of Share Transaction Activity 2	6,284,770
Capital Stock Schedule Of Share Transaction Activity 3	3.60
Capital Stock Schedule Of Share Transaction Activity 4	3.60
Capital Stock Schedule Of Share Transaction Activity 5	$ 20,968,743
Capital Stock Schedule Of Share Transaction Activity 6	4,520,669
Capital Stock Schedule Of Share Transaction Activity 7	2.29
Capital Stock Schedule Of Share Transaction Activity 8	3.90
Capital Stock Schedule Of Share Transaction Activity 9	15,957,832
Capital Stock Schedule Of Share Transaction Activity 10	191,872
Capital Stock Schedule Of Share Transaction Activity 11	0.33
Capital Stock Schedule Of Share Transaction Activity 12	3.72
Capital Stock Schedule Of Share Transaction Activity 13	198,728
Capital Stock Schedule Of Share Transaction Activity 14	159,236
Capital Stock Schedule Of Share Transaction Activity 15	3.21
Capital Stock Schedule Of Share Transaction Activity 16	3.21
Capital Stock Schedule Of Share Transaction Activity 17	511,148
Capital Stock Schedule Of Share Transaction Activity 18	128,508
Capital Stock Schedule Of Share Transaction Activity 19	3.18
Capital Stock Schedule Of Share Transaction Activity 20	3.96
Capital Stock Schedule Of Share Transaction Activity 21	699,340
Capital Stock Schedule Of Share Transaction Activity 22	112,451
Capital Stock Schedule Of Share Transaction Activity 23	3.10
Capital Stock Schedule Of Share Transaction Activity 24	4.25
Capital Stock Schedule Of Share Transaction Activity 25	355,392
Capital Stock Schedule Of Share Transaction Activity 26	50,000
Capital Stock Schedule Of Share Transaction Activity 27	2.95
Capital Stock Schedule Of Share Transaction Activity 28	4.02
Capital Stock Schedule Of Share Transaction Activity 29	167,374
Capital Stock Schedule Of Share Transaction Activity 30	40,312
Capital Stock Schedule Of Share Transaction Activity 31	3.93
Capital Stock Schedule Of Share Transaction Activity 32	3.93
Capital Stock Schedule Of Share Transaction Activity 33	158,426
Capital Stock Schedule Of Share Transaction Activity 34	84,975,155
Capital Stock Schedule Of Share Transaction Activity 35	407,239
Capital Stock Schedule Of Share Transaction Activity 36	2.35
Capital Stock Schedule Of Share Transaction Activity 37	2.35
Capital Stock Schedule Of Share Transaction Activity 38	1,065,400
Capital Stock Schedule Of Share Transaction Activity 39	459,891
Capital Stock Schedule Of Share Transaction Activity 40	0.33
Capital Stock Schedule Of Share Transaction Activity 41	0.45
Capital Stock Schedule Of Share Transaction Activity 42	46,464
Capital Stock Schedule Of Share Transaction Activity 43	60,000
Capital Stock Schedule Of Share Transaction Activity 44	2.00
Capital Stock Schedule Of Share Transaction Activity 45	2.00
Capital Stock Schedule Of Share Transaction Activity 46	120,000
Capital Stock Schedule Of Share Transaction Activity 47	55,000
Capital Stock Schedule Of Share Transaction Activity 48	3.54
Capital Stock Schedule Of Share Transaction Activity 49	3.54
Capital Stock Schedule Of Share Transaction Activity 50	194,700
Capital Stock Schedule Of Share Transaction Activity 51	75,000
Capital Stock Schedule Of Share Transaction Activity 52	2.54
Capital Stock Schedule Of Share Transaction Activity 53	2.54
Capital Stock Schedule Of Share Transaction Activity 54	190,500
Capital Stock Schedule Of Share Transaction Activity 55	86,032,285
Capital Stock Schedule Of Share Transaction Activity 56	3,380,954
Capital Stock Schedule Of Share Transaction Activity 57	1.76
Capital Stock Schedule Of Share Transaction Activity 58	1.76
Capital Stock Schedule Of Share Transaction Activity 59	5,947,792
Capital Stock Schedule Of Share Transaction Activity 60	100,000
Capital Stock Schedule Of Share Transaction Activity 61	1.74
Capital Stock Schedule Of Share Transaction Activity 62	1.74
Capital Stock Schedule Of Share Transaction Activity 63	174,347
Capital Stock Schedule Of Share Transaction Activity 64	99,755
Capital Stock Schedule Of Share Transaction Activity 65	1.71
Capital Stock Schedule Of Share Transaction Activity 66	1.71
Capital Stock Schedule Of Share Transaction Activity 67	170,581
Capital Stock Schedule Of Share Transaction Activity 68	187,079
Capital Stock Schedule Of Share Transaction Activity 69	1.77
Capital Stock Schedule Of Share Transaction Activity 70	1.77
Capital Stock Schedule Of Share Transaction Activity 71	331,130
Capital Stock Schedule Of Share Transaction Activity 72	635,303
Capital Stock Schedule Of Share Transaction Activity 73	1.06
Capital Stock Schedule Of Share Transaction Activity 74	2.41
Capital Stock Schedule Of Share Transaction Activity 75	1,101,932
Capital Stock Schedule Of Share Transaction Activity 76	470,492
Capital Stock Schedule Of Share Transaction Activity 77	0.33
Capital Stock Schedule Of Share Transaction Activity 78	0.45
Capital Stock Schedule Of Share Transaction Activity 79	27,401
Capital Stock Schedule Of Share Transaction Activity 80	30,386
Capital Stock Schedule Of Share Transaction Activity 81	1.81
Capital Stock Schedule Of Share Transaction Activity 82	1.81
Capital Stock Schedule Of Share Transaction Activity 83	55,000
Capital Stock Schedule Of Share Transaction Activity 84	30,304
Capital Stock Schedule Of Share Transaction Activity 85	1.15
Capital Stock Schedule Of Share Transaction Activity 86	1.15
Capital Stock Schedule Of Share Transaction Activity 87	$ 34,850
Capital Stock Schedule Of Share Transaction Activity 88	90,966,558