Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award (Details)

v3.19.1
Stock-Based Compensation - Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
RSUs $ 301 $ 65
Option 1,433 995
Total stock-based compensation expense $ 1,734 $ 1,060