Preferred Stock

6 Months Ended

Jun. 30, 2017

Equity [Abstract]

Preferred Stock

7. Preferred Stock

On July 1, 2015, in connection with the closing of the Company’s initial public offering of its common stock (the “IPO”), the Company effected its Restated Certificate of Incorporation, which authorizes the Company to issue 10,000,000 shares of preferred stock, $0.001 par value per share.