pre_text: Other Expense, Net Other expense, net decreased by $4.3 million in 2018 compared to 2017 as a result of an increase in interest expense of $5.7 million related to interest expense due under our convertible senior notes. This increase was offset by an increase of $1.4 million of interest income earned on our short-term investments.
table: Year Ended December 31, Change
table: 2018 2017 $ %
table: (dollars in thousands)
table: Other expense, net $ 4,628 $ 302 $ 4,326 1432.5%
table: % of revenue 3% 0%
question: Analyse this data from a financial earnings document. What is the average Other expense, net for 2017 and 2018?