Subsequent Events

9 Months Ended

Sep. 30, 2015

Subsequent Events [Abstract]

Subsequent Events

Subsequent Events

On November 6, 2015, the Company entered into separate at-the-market sales agreements with RBC Capital Markets, LLC and Cantor Fitzgerald & Co. In accordance with the terms of the sales agreements, the Company may offer and sell shares of our common stock having an aggregate offering price of up to $50.0 million from time to time through RBC Capital Markets, LLC and Cantor Fitzgerald & Co., each acting as an agent. The common stock that may be offered, issued and sold by the Company under the “at-the-market” sales agreement is included in the $150.0 million of common stock that may be offered, issued and sold by the Company under the shelf registration statement on Form S-3 (File No. 333-199821), which was declared effective by the SEC on November 10, 2014.