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Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands | Jun. 30, 2018 | Jan. 02, 2018 | Dec. 31, 2017 | Jun. 30, 2017
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Accounting Policies [Abstract] |  |  |  |
Increase in accumulated deficit |  | $ 317 |  |
Finite risk sinking fund | $ 15,807 |  | $ 15,676 | $ 15,608

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- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
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