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4. Debt (Details Narrative) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Cilion shareholder Seller note payable |  |
Principal and interest outstanding | $ 5,800 |
Third Eye Capital Term Notes |  |
Principal and interest outstanding | 6,900 |
Third Eye Capital Revolving Credit Facility |  |
Principal and interest outstanding | 35,400 |
Third Eye Capital Revenue Participation Term Notes |  |
Principal and interest outstanding | 11,600 |
Third Eye Capital Acquisition Term Notes |  |
Principal and interest outstanding | 20,000 |
Subordinated Notes |  |
Principal and interest outstanding | 8,700 | $ 7,600
EB-5 long-term promissory notes |  |
Principal Outstanding | 34,500 |
Interest Outstanding | 1,500 |
Secunderabad Oils |  |
Principal and interest outstanding | $ 1,300 | $ 300

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