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Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Federal: |  |
Current | $ 1,218 | $ 1,898
Deferred | 129 | 275
Revaluation of net deferred tax asset | 0 | 517
State: |  |
Current | (44) | 77
Deferred, net of valuation allowance | 127 | 102
Income tax expense | $ 1,430 | $ 2,869

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