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4. Debt (Details Narrative) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
February 2019 Note
Principal and interest outstanding	$ 2,800
Third Eye Capital Term Notes
Principal and interest outstanding	700
Third Eye Capital Revolving Credit Facility
Principal and interest outstanding	58,700
Third Eye Capital Revenue Participation Term Note
Principal and interest outstanding	11,800
Third Eye Capital Acquisition Term Notes
Principal and interest outstanding	24,900
Third Eye Capital Reserve Liquidity Notes
Principal and interest outstanding	0
Cilion Shareholder Seller Notes Payable
Principal and interest outstanding	6,100
Subordinated Notes
Principal and interest outstanding	11,100	$ 10,100
EB-5 Phase I Notes
Principal outstanding	35,000
Interest outstanding	2,700
EB-5 Phase II Notes
Principal and interest outstanding	2,500
Unsecured Working Capital Loans
Principal and interest outstanding	2,900	4,600
Secunderabad Oils
Principal and interest outstanding	$ 600	$ 300

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