7. Stockholders’ Equity

On January 28, 2015, the Company completed a follow-on offering of its common stock, which resulted in the sale of 3,942,200 shares at a price of $35.00 per share. The Company received net proceeds from the follow-on offering of $130.0 million based upon the price of $35.00 per share after deducting underwriting discounts and commissions paid by the Company. The Company also incurred offering costs of $0.5 million related to the follow-on offering.

As of December 31, 2016 and 2015, the Company’s Certificate of Incorporation, as amended and restated, authorizes the Company to issue 5,000,000 shares of $0.001 par value preferred stock. The rights, preferences, restrictions, qualifications and limitations of such stock are to be determined by the Company’s board of directors.

As of December 31, 2016 and 2015, the Company’s Certificate of Incorporation, as amended and restated, authorizes the Company to issue 115,000,000 shares of $0.001 par value common stock.