Debt	3 Months Ended
Mar. 31, 2016
Debt
Debt	8. Debt Credit Line Agreement In September 2015, the Company entered into the Credit Line with UBS providing for a $50.0 million revolving line of credit which 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. The Credit Line bears interest at 30-day LIBOR plus 0.65% per annum. In November, 2015, the Company borrowed an additional $10.0 million which increased the principal balance to $42.0 million. 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.

8. Debt

Credit Line Agreement

In September 2015, the Company entered into the Credit Line with UBS providing for a $50.0 million revolving line of credit which 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. The Credit Line bears interest at 30-day LIBOR plus 0.65% per annum. In November, 2015, the Company borrowed an additional $10.0 million which increased the principal balance to $42.0 million. 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.