Common Stock	12 Months Ended
Dec. 31, 2015
Equity [Abstract]
Common Stock	COMMON STOCK Common Stock—The authorized number of shares of common stock is 150 million. The holder of each share of common stock is entitled to one vote. On April 1, 2014, the Company issued 5,750,000 shares of its common stock, par value $0.001 per share, at $11.00 per share (the "Common Stock Offering"). The net proceeds from the Common Stock Offering were approximately $59.2 million, after deducting underwriter discounts and commissions and estimated offering expenses payable by the Company. During the years ended December 31, 2014 and 2013, $22.6 million and $44.2 million, respectively, of the 2018 Notes, accrued interest and early conversion payments, net of related deferred offering costs and debt discounts, were converted into the Company’s common stock and were reclassified from long-term debt, accrued interest and other assets to stockholders’ equity in the consolidated balance sheets. The Company settled the early conversion payments in shares of the Company’s common stock. The Company issued 2,743,475 and 5,541,597 shares of its common stock to settle both the 2018 Note conversions and early conversion payments, including the settlements under the Exchange Agreements, during the years ended December 31, 2014 and 2013, respectively (see Note 11).

Common Stock

12 Months Ended

Dec. 31, 2015

COMMON STOCK

Common Stock—The authorized number of shares of common stock is 150 million. The holder of each share of common stock is entitled to one vote.

On April 1, 2014, the Company issued 5,750,000 shares of its common stock, par value $0.001 per share, at $11.00 per share (the "Common Stock Offering"). The net proceeds from the Common Stock Offering were approximately $59.2 million, after deducting underwriter discounts and commissions and estimated offering expenses payable by the Company.

During the years ended December 31, 2014 and 2013, $22.6 million and $44.2 million, respectively, of the 2018 Notes, accrued interest and early conversion payments, net of related deferred offering costs and debt discounts, were converted into the Company’s common stock and were reclassified from long-term debt, accrued interest and other assets to stockholders’ equity in the consolidated balance sheets. The Company settled the early conversion payments in shares of the Company’s common stock. The Company issued 2,743,475 and 5,541,597 shares of its common stock to settle both the 2018 Note conversions and early conversion payments, including the settlements under the Exchange Agreements, during the years ended December 31, 2014 and 2013, respectively (see Note 11).