Accounts Payable and Accrued Expenses (Tables)

6 Months Ended

Jan. 31, 2013

Payables and Accruals [Abstract]

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

Note 5 – Accounts Payable and Accrued Expenses:

Accounts payable and accrued expenses consist of the following:

	January 31, 2013		July 31, 2012
Accounts Payable & Accruals – General and Administrative	$	3,716,106	$	3,556,160
Accounts Payable & Accruals – Research and Development		3,055,890		2,691,192
Accounts Payable & Accruals – Selling and Marketing		315,846		290,534
Accrued Make-whole Payments on Convertible Preferred Stock (see Note 10)		202,500		402,300
Executive Compensation and Directors’ Fees Payable		376,919		75,466
Total	$	7,667,261	$	7,015,652