Debt	3 Months Ended
Mar. 31, 2017
Debt
Debt	8. Debt Credit Line Agreement In September 2015, the Company entered into the Credit Line with UBS (the “Credit Line”) providing for a $50.0 million revolving line of credit that can be drawn down in increments at any time. In October 2015, the Company borrowed $32.0 million against the Credit Line, primarily to prepay all outstanding amounts under the Secured Loan Arrangement with ROS Acquisition Offshore, LP. The Credit Line bears interest at 30-day LIBOR plus 0.65%. The Credit Line is secured by a first priority lien and security interest in the Company’s money market and marketable securities held in its managed investment account with UBS. UBS has the right to demand full or partial payment of the Credit Line Obligations and terminate the Credit Line, in its discretion and without cause, at any time. In November 2015, the Company borrowed an additional $10.0 million from the Credit Line to provide working capital, which increased the total principal amount outstanding to $42.0 million. In June 2016, the Company borrowed an additional $8.0 million and repaid $1.0 million on the Credit Line, thereby increasing the total principal amount outstanding to $49.0 million, with accrued interest of $0.6 million as of December 31, 2016. As of March 31, 2017, additional interest of $0.2 was accrued, and the total principal amount outstanding with accrued interest was $49.8 million.

8. Debt

Credit Line Agreement

In September 2015, the Company entered into the Credit Line with UBS (the “Credit Line”) providing for a $50.0 million revolving line of credit that can be drawn down in increments at any time. In October 2015, the Company borrowed $32.0 million against the Credit Line, primarily to prepay all outstanding amounts under the Secured Loan Arrangement with ROS Acquisition Offshore, LP. The Credit Line bears interest at 30-day LIBOR plus 0.65%. The Credit Line is secured by a first priority lien and security interest in the Company’s money market and marketable securities held in its managed investment account with UBS. UBS has the right to demand full or partial payment of the Credit Line Obligations and terminate the Credit Line, in its discretion and without cause, at any time.

In November 2015, the Company borrowed an additional $10.0 million from the Credit Line to provide working capital, which increased the total principal amount outstanding to $42.0 million. In June 2016, the Company borrowed an additional $8.0 million and repaid $1.0 million on the Credit Line, thereby increasing the total principal amount outstanding to $49.0 million, with accrued interest of $0.6 million as of December 31, 2016. As of March 31, 2017, additional interest of $0.2 was accrued, and the total principal amount outstanding with accrued interest was $49.8 million.