Stock-Based Compensation (Details Textual) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended
	Nov. 01, 2012	Apr. 30, 2013	Apr. 30, 2013	Jul. 31, 2012
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized		$ 14,883	$ 14,883
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	11 months 9 days	5 months 12 days	4 years 4 months 10 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number		27,067,667	27,067,667	10,979,634
Stock Option Plan 2001 [Member]
Common Stock, Capital Shares Reserved for Future Issuance		4,555,222	4,555,222	12,000,000
Stock Option Plan 2006 [Member]
Common Stock, Capital Shares Reserved for Future Issuance		19,389,704	19,389,704	60,000,000