Financing	3 Months Ended
Mar. 31, 2017
Financing
Financing	(17) Financing On October 13, 2016, the Company closed a follow-on underwritten public offering, in which it sold 25,000,000 shares of common stock at a price to the public of $2.00 per share for aggregate gross proceeds of $50.0 million. On October 28, 2016, the Company sold an additional 1,225,243 shares of common stock pursuant to the underwriters’ 30-day option to purchase additional shares at the public offering price less the underwriting discount. The net proceeds to the Company from the offering, including the exercise by the underwriters of their option to purchase additional shares and after deducting underwriters’ discounts and commissions and other offering costs and expenses, were approximately $48.8 million. Investment funds affiliated with Baker Bros. Advisors LP and Pillar Invest Corporation, two of the Company’s principal stockholders, and certain members of the Company’s board of directors, purchased a total of 5,125,000 shares in this offering at the $2.00 per share purchase price.

(17) Financing

On October 13, 2016, the Company closed a follow-on underwritten public offering, in which it sold 25,000,000 shares of common stock at a price to the public of $2.00 per share for aggregate gross proceeds of $50.0 million. On October 28, 2016, the Company sold an additional 1,225,243 shares of common stock pursuant to the underwriters’ 30-day option to purchase additional shares at the public offering price less the underwriting discount. The net proceeds to the Company from the offering, including the exercise by the underwriters of their option to purchase additional shares and after deducting underwriters’ discounts and commissions and other offering costs and expenses, were approximately $48.8 million. Investment funds affiliated with Baker Bros. Advisors LP and Pillar Invest Corporation, two of the Company’s principal stockholders, and certain members of the Company’s board of directors, purchased a total of 5,125,000 shares in this offering at the $2.00 per share purchase price.