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Income Taxes - Schedule of Reconciliation of Expected Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Tax at federal income tax rate $ 68 $ 316
State provision (15) (51)
Foreign tax differential 13 3
Change in valuation allowance (20) 8,898
Impact related to tax reform (8,791)
Permanent items (3) (441)
Other 21
Total Tax Provision $ 64 $ (66)