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4. Debt (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Cilion shareholder Seller note payable
Principal and interest outstanding	$ 6,100	$ 6,000
Third Eye Capital Term Notes
Principal and interest outstanding	7,000	7,000
Third Eye Capital Revolving Credit Facility
Principal and interest outstanding	62,900	47,200
Third Eye Capital Revenue Participation Term Notes
Principal and interest outstanding	11,800	11,800
Third Eye Capital Acquisition Term Notes
Principal and interest outstanding	25,500	23,800
Subordinated Notes
Principal and interest outstanding	11,500	10,100
EB-5 promissory notes
Principal outstanding	35,000	35,000
Interest outstanding	2,900	2,000
Secunderabad Oils
Principal and interest outstanding	600	300
EB-5 promissory notes phase 2
Principal and interest outstanding	4,100
EB-5 promissory notes phase 2
Principal and interest outstanding		0
Unsecured working capital loans
Principal and interest outstanding	$ 2,000	$ 4,600

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