Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Oct. 31, 2013

Payables and Accruals [Abstract]

Accounts payable and accrued expenses

	October 31, 2013		July 31, 2013
Accounts Payable and Accruals – General and Administrative	$	3,221,062	$	3,447,618
Accounts Payable and Accruals – Research and Development		3,863,724		3,557,184
Accounts Payable and Accruals – Selling and Marketing		327,067		328,629
Accrued Make-whole Payments on Convertible Preferred Stock (see Note 10)		99,900		251,100
Executive Compensation and Directors’ Fees Payable		11,396		76,703
Total	$	7,523,149	$	7,661,234