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4. Debt (Details Narrative) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
February 2019 Note |  |
Principal and interest outstanding | $ 2,200 |
Third Eye Capital Term Notes |  |
Principal and interest outstanding | 7,000 |
Third Eye Capital Revolving Credit Facility |  |
Principal and interest outstanding | 54,700 |
Third Eye Capital Revenue Participation Term Note |  |
Principal and interest outstanding | 11,800 |
Third Eye Capital Acquisition Term Notes |  |
Principal and interest outstanding | 24,500 |
Third Eye Capital Reserve Liquidity Notes |  |
Principal and interest outstanding | 0 |
Cilion Shareholder Seller Notes Payable |  |
Principal and interest outstanding | 6,000 |
Subordinated Notes |  |
Principal and interest outstanding | 10,800 | $ 10,100
EB-5 Phase I Notes |  |
Principal outstanding | 35,000 |
Interest outstanding | 2,400 |
EB-5 Phase II Notes |  |
Principal and interest outstanding | 2,500 |
Unsecured Working Capital Loans |  |
Principal and interest outstanding | 3,000 | 4,600
Secunderabad Oils |  |
Principal and interest outstanding | $ 700 | $ 300

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