. in connection with the acquisition of synageva in june 2015 , we borrowed $ 3500 under the term loan facility and $ 200 under the revolving facility , and we used our available cash for the remaining cash consideration . we made principal payments of $ 375 during the year ended december 31 , 2016 . at december 31 , 2016 , we had $ 3081 outstanding on the term loan and zero outstanding on the revolving facility