Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Oct. 31, 2012

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

Accounts payable and accrued expenses consist of the following:

	October 31, 2012		July 31, 2012
Accounts Payable & Accruals – General and Administrative	$	3,971,015	$	3,556,160
Accounts Payable & Accruals – Research and Development		2,822,961		2,691,192
Accounts Payable & Accruals – Selling and Marketing		311,329		290,534
Accrued Make Whole Payments on Convertible Preferred Stock (see Note 9)		416,286		402,300
Executive Compensation and Directors’ Fees Payable		256,141		75,466
Total	$	7,777,732	$	7,015,652