Accounts Payable and Accrued Expenses - Accounts payable and accrued expenses (Tables)

3 Months Ended

12 Months Ended

Jan. 31, 2014

Jul. 31, 2013

Payables and Accruals [Abstract]

Accounts payable and accrued expenses

	January 31, 2014		July 31, 2013
Accounts Payable and Accruals – General and Administrative	$	3,282,163	$	3,447,618
Accounts Payable and Accruals – Research and Development		3,889,180		3,557,184
Accounts Payable and Accruals – Selling and Marketing		326,929		328,629
Accrued Make-whole Payments on Convertible Preferred Stock (see Note 9)		222,750		251,100
Executive Compensation and Directors’ Fees Payable		170,657		76,703
Total	$	7,891,679	$	7,661,234

Accounts payable and accrued expenses consist of the following:

	July 31,
	2013		2012
Accounts Payable & Accruals – General and Administrative	$	3,447,618	$	3,556,160
Accounts Payable & Accruals – Research and Development		3,557,184		2,691,192
Accounts Payable & Accruals – Selling and Marketing		328,629		290,534
Accrued Make Whole Payments on Convertible Preferred Stock (see Note 9)		251,100		402,300
Executive Compensation and Directors’ Fees Payable		76,703		75,466
Total	$	7,661,234	$	7,015,652