In March 2018, we sold an aggregate of 30.2 million units consisting of an aggregate of 30.2 million shares of common stock, 7.6 million series A warrants and 22.7 million series B warrants, with each series A warrant having an exercise price of $0.60 per share and each series B warrant having an exercise price of $0.70 per share, resulting in gross proceeds of $15.1 million, (each unit was sold at $0.50 per unit), and net proceeds of $13.8 million after deducting expenses relating to dealer-manager fees and other offering expenses.