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Investment in American Shale Oil, LLC (Details 1) - AMSO, LLC [Member] - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
ASSETS |  |
Cash and cash equivalents | $ 204 | $ 1,052
Restricted cash and cash equivalents | 47 | 47
Other current assets | 85 | 119
Equipment, net | 181 | 242
Other assets | 861 | 861
TOTAL ASSETS | 1,378 | 2,321
LIABILITIES AND MEMBERS' INTERESTS |  |
Current liabilities | 654 | 1,324
Other liabilities | 861 | 861
Members' interests | (137) | 136
TOTAL LIABILITIES AND MEMBERS' INTERESTS | $ 1,378 | $ 2,321

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