v3.10.0.1
Income Taxes - Schedule of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current:      
State $ 114 $ 89 $ 50
Foreign 184 674 160
Current income tax expense 298 763 210
Deferred:      
Foreign (774) (448) 1
Total $ (476) $ 315 $ 211