Annual report pursuant to Section 13 and 15(d)

Defined Contribution Plan

v3.8.0.1
Defined Contribution Plan
12 Months Ended
Dec. 31, 2017
Defined Contribution Plan
16. Defined Contribution Plan

We have established a 401(k) plan that permits participants to make contributions by salary reduction, and we match these contributions up to a predefined threshold. During the years ended December 31, 2017, 2016 and 2015, compensation expense associated with our matching contribution was $0.4 million, $0.3 million and $0.2 million, respectively.