Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Domestic and Foreign Components of Net Loss (Details)

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Income Taxes - Schedule of Domestic and Foreign Components of Net Loss (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Domestic $ (3,083) $ (10,125) $ (6,744)
Foreign 345 305 (116)
Net loss $ (2,738) $ (9,820) $ (6,860)