. in connection with entering into the credit agreement , we paid $ 45 in financing costs which are being amortized as interest expense over the life of the debt . amortization expense associated with deferred financing costs for the years ended december 31 , 2016 and 2015 was $ 10 and $ 6 , respectively . amortization expense associated with deferred financing costs for the year ended december 31 , 2014 was not material