Stockholders' (Deficiency)/Equity (Tables)

12 Months Ended

Jul. 31, 2012

Equity [Abstract]

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

As of July 31, 2012, the Company has the following warrants to purchase common stock outstanding:

Number of Shares		Warrant Exercise			Warrant
To be Purchased		Price per Share			Expiration Date
	50,000	$	0.94		March 9, 2013
	125,000	$	3.75		March 26, 2013
	8,844,926	$	0.76		December 15, 2014
	3,572,971	$	0.79		February 4, 2015
	300,000	$	0.39	(average)	February 9, 2015
	200,000	$	1.25		March 7, 2015
	6,022,651	$	1.00		March 15, 2015
	4,000,000	$	0.15		January 16, 2016*
	29,027,322	$	0.15		March 31, 2016*
	3,333,331	$	0.15		July 11, 2016*
	5,454,544	$	0.15		September 30, 2016*
	13,333,333	$	0.15		February 1, 2017*
	74,264,078

* Subject to price protection provisions as described below.