April 30,
2017

July 31,
2016

Accounts Payable and Accruals - General and Administrative

$

4,278,862

$

3,750,638

Accounts Payable and Accruals - Research and Development

4,832,696

4,395,061

Accounts Payable and Accruals - Selling and Marketing

385,813

326,229

Accrued Make-whole Payments on Convertible Preferred Stock (see Note 10)

—

167,400

Executive Compensation and Directors’ Fees Payable

368,114

311,542

Total

$

9,865,484

$

8,950,870