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4. Debt (Tables) | 12 Months Ended
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Dec. 31, 2018
Debt Disclosure [Abstract] |
Schedule of long-term debt |
|  | December 31, 2018 |  |  | December 31, 2017 |
Third Eye Capital term notes |  | $ | 7,024 |  |  | $ | 6,931 |
Third Eye Capital revolving credit facility |  |  | 47,225 |  |  |  | 35,371 |
Third Eye Capital revenue participation term notes |  |  | 11,794 |  |  |  | 11,636 |
Third Eye Capital acquisition term notes |  |  | 23,841 |  |  |  | 20,048 |
Cilion shareholder seller notes payable |  |  | 5,974 |  |  |  | 5,824 |
Subordinated notes |  |  | 10,080 |  |  |  | 8,725 |
EB-5 promissory notes |  |  | 38,536 |  |  |  | 36,039 |
Unsecured working capital loans |  |  | 4,822 |  |  |  | 4,861 |
GAFI Term and Revolving loans |  |  | 25,821 |  |  |  | 24,351 |
Total debt |  |  | 175,117 |  |  |  | 153,786 |
Less current portion of debt |  |  | 17,298 |  |  |  | 15,625 |
Total long term debt |  | $ | 157,819 |  |  | $ | 138,161 |
Maturities of long-term debt |
Twelve months ended December 31, |  | Debt Repayments |
2019 |  | $ | 17,298 |
2020 |  |  | 132,081 |
2021 |  |  | 25,500 |
2022 |  |  | 1,473 |
2023 |  |  | 1,500 |
Total debt |  |  | 177,852 |
Debt issuance costs |  |  | (2,735 | )
Total debt, net of discount issuance costs |  | $ | 175,117 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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