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Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Deferred Tax Assets, Valuation Allowance | $ 23,348 | $ 14,615
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 35.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability | $ 5,700 |
Decreased in Deferred Tax Assets | 5,700 |
Domestic Tax Authority [Member] |  |
Operating Loss Carryforwards | $ 48,200 |
Operating Loss Carry forward Expire Period | 2035 years |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |
State and Local Jurisdiction [Member] |  |
Operating Loss Carryforwards | $ 63,600 |
Operating Loss Carry forward Expire Period | 2035 years |

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