Subsequent Events

6 Months Ended

Jun. 30, 2016

Subsequent Events [Abstract]

Subsequent Events

15.Subsequent Events

On July 20, 2016, we completed a public offering, in which we sold and issued 28,571,429 shares of common stock at a price of $0.70 per share and issued one-year warrants to purchase up to 28,571,429 shares of our common stock at an exercise price of $0.70 per share. Net of underwriting discounts, legal, accounting and other offering expenses, we received proceeds of approximately $18.3 million.