Accounts Payable and Accrued Expenses

3 Months Ended

Oct. 31, 2011

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:

	October 31, 2011		July 31, 2011
Accounts Payable & Accruals – General and Administrative	$	4,555,254	$	4,805,091
Accounts Payable & Accruals – Research and Development		2,573,737		2,151,333
Accounts Payable & Accruals – Selling and Marketing		373,077		434,265
Accrued Make Whole Payments on Convertible Preferred Stock (see Note 10)		135,000		347,490
Executive Compensation and Directors’ Fees Payable		55,886		—
Total	$	7,692,954	$	7,738,179