Schedule of Stockholders' Equity Note, Warrants or Rights (Details) (USD $)	9 Months Ended
	Apr. 30, 2013
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 1	$ 1,558,812
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 2	4.95
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 3	1.45
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 4	(888,687)
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 5	6.76
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 6	0
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 7	670,125
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 8	2.56
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 9	2.46
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 10	(8,572)
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 11	9.30
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 12	0
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 13	$ 661,553
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 14	2.47
Capital Stock Schedule Of Stockholders' Equity Note, Warrants Or Rights 15	2.25