Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Jan. 02, 2018 |
Dec. 31, 2017 |
Jun. 30, 2017 |
|---|---|---|---|---|
| Accounting Policies [Abstract] | ||||
| Increase in accumulated deficit | $ 317 | |||
| Finite risk sinking fund | $ 15,807 | $ 15,676 | $ 15,608 |
| X | ||||||||||
- Definition As of the balance sheet date, the total amount into the sinking fund, along with interest income earned, in connection for the company's closure policies. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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. No definition available.
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