401 (k) Plan	12 Months Ended
Dec. 31, 2017
Compensation And Retirement Disclosure [Abstract]
401 (k) Plan	Note 14. 401(k) Plan The Company has a qualified defined contribution plan under Section 401(k) of the Internal Revenue Code covering eligible employees. Substantially all of the U.S. employees are eligible to make contributions to the 401(k) plan. On July 1, 2017, the Company implemented a 401(k) employer match, based on the amount of the employees’ contributions subject to certain limitations. Employer contributions were $1.1 million in 2017. There were no employer contributions to this plan for the years ended December 31, 2016 and 2015.

401 (k) Plan

12 Months Ended

Dec. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Note 14. 401(k) Plan

The Company has a qualified defined contribution plan under Section 401(k) of the Internal Revenue Code covering eligible employees. Substantially all of the U.S. employees are eligible to make contributions to the 401(k) plan. On July 1, 2017, the Company implemented a 401(k) employer match, based on the amount of the employees’ contributions subject to certain limitations. Employer contributions were $1.1 million in 2017. There were no employer contributions to this plan for the years ended December 31, 2016 and 2015.