Accounts Payable and Accrued Expenses

6 Months Ended

Jan. 31, 2012

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

6. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following:
	January 31, 2012		July 31, 2011
Accounts Payable & Accruals – General and Administrative	$	4,225,584	$	4,805,091
Accounts Payable & Accruals – Research and Development		2,284,878		2,151,333
Accounts Payable & Accruals – Selling and Marketing		352,339		434,265
Accrued Make Whole Payments on Convertible Preferred Stock (see Note 10)		—		347,490
Executive Compensation and Directors’ Fees Payable		215,439		—
Total	$	7,078,240	$	7,738,179