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4. Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Total debt	$ 229,619	$ 202,425
Less current portion of debt	59,515	22,740
Total long term debt	170,104	179,685
Third Eye Capital Term Notes
Total debt	7,066	7,024
Third Eye Capital Revolving Credit Facility
Total debt	80,310	62,869
Third Eye Capital Revenue Participation Term Notes
Total debt	11,864	11,794
Third Eye Capital Acquisition Term Notes
Total debt	26,384	25,518
Third Eye Capital Promissory Note
Total debt	1,444	2,815
Cilion Shareholder Seller Notes Payable
Total debt	6,274	6,124
Subordinated Notes
Total debt	12,745	11,502
Term Loan on Equipment Purchase
Total debt	5,652	0
EB-5 Promissory Notes
Total debt	43,120	41,932
PPP Loans
Total debt	1,134	0
Unsecured Working Capital Loans
Total debt	0	2,631
GAFI Term and Revolving Loans
Total debt	$ 33,626	$ 30,216

X

- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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