Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events

Subsequent Events
6 Months Ended
Jun. 30, 2017
Subsequent Events [Abstract]  
Subsequent Events

12. Subsequent Events

On July 25, 2017, the Company completed an underwritten public offering of 32,000,000 shares of its common stock and warrants to purchase an additional 16,000,000 shares of its common stock at an exercise price of $1.55 per share. The public offering price was $1.25 per share of common stock and accompanying warrant, resulting in net proceeds to the Company of approximately $36.9 million after underwriting discounts and commissions and offering expenses payable by the Company.