Accounts Payable and Accrued Expenses (Tables)

9 Months Ended

Apr. 30, 2015

Payables and Accruals [Abstract]

Accounts payable and accrues expenses

	April 30, 2015		July 31, 2014
Accounts Payable and Accruals – General and Administrative	$	3,127,111	$	3,208,069
Accounts Payable and Accruals – Research and Development		3,699,158		3,955,543
Accounts Payable and Accruals – Selling and Marketing		326,586		327,067
Accrued Make-whole Payments on Convertible Preferred Stock (see Note 7)		233,077		337,500
Executive Compensation and Directors’ Fees Payable		236,547		205,943
Total	$	7,622,479	$	8,034,122