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Debt (Details Narrative) - USD ($)					1 Months Ended			3 Months Ended	6 Months Ended
	Aug. 09, 2021	Mar. 14, 2021	Aug. 11, 2020	Mar. 06, 2020	Feb. 27, 2019	Aug. 23, 2018	Jun. 28, 2018	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Jul. 22, 2019
Net and the related liability								$ 14,107,000	$ 14,107,000		$ 14,541,000
Payment for equipment								180,948,000	180,948,000		229,619,000
Other long term debt								11,461,000	11,461,000		11,980,000
Proceeds from issuance of debt									0	$ 6,861,000
Loans amount								181,889,000	181,889,000
Minimum [Member]
Investment fund								$ 300,000	$ 300,000
Loan rate								7.75%	7.75%
Maximum [Member]
Investment fund								$ 900,000	$ 900,000
Loan rate								12.00%	12.00%
McAfee [Member]
Net Amount at Risk by Product and Guarantee, Net Amount at Risk								$ 8,000,000.0	$ 8,000,000.0
Payroll Protection Program [Member]
Received loan								1,100,000.0	1,100,000.0
Proceeds from issuance of debt								1,100,000	1,100,000
Subordinated Debt | Orsak and Lies
Payment for equipment								13,512,000	13,512,000		12,745,000
Principal and interest outstanding								$ 13,500,000	$ 13,500,000		12,700,000
Interest rate								10.00%	10.00%
Original Note								$ 2,500,000	$ 2,500,000
Warrants exercisable								$ 0.01	$ 0.01
Fees percentage								10.00%	10.00%
Equity financing								$ 25,000,000.0	$ 25,000,000.0
Cash extension fee								10.00%	10.00%
Warrants to purchase common stock shares									113,000
Exercise price								$ 0.01	$ 0.01
Principal and interest outstanding net								$ 900,000	$ 900,000
Subordinated Debt | Cilion
Payment for equipment								6,349,000	6,349,000		6,274,000
Principal and interest outstanding								$ 5,000,000.0	$ 5,000,000.0
Interest rate								3.00%	3.00%
Principal and interest outstanding net								$ 6,300,000	$ 6,300,000
Senior Debt-TEC
Payment for equipment								7,077,000	$ 7,077,000		7,066,000
Maturity period	Apr. 01, 2023	Apr. 01, 2022	Apr. 01, 2022						Apr. 01, 2021
Principal and interest outstanding					$ 2,100,000			$ 7,200,000	$ 7,200,000
Fees percentage			1.00%					5.00%	5.00%
Reduction in extension fee	1.00%	1.00%						1.00%	1.00%
Cash	$ 300,000	$ 100,000						$ 300,000	$ 300,000
Amendment fee									50,000
Interest rate					14.00%
Total proceeds					$ 100,000
Additional borrowings first					700,000
Additional borrowings second					$ 600,000
Exceed capital expenditures									100,000
Promissory note, payable	$ 40,000,000.0			$ 18,000,000
Reserve liquidity facility				$ 70,000,000.0
Borrowed interest rate	30.00%			30.00%
Default event	40.00%			40.00%
Non-refundable fees percentage	2.00%
Senior Debt-TEC | Revolving Credit Facility
Payment for equipment								67,592,000	67,592,000		80,310,000
Principal and interest outstanding								18,000,000.0	18,000,000.0
Senior Debt-TEC | Acquisition Participation Term Notes
Payment for equipment								26,414,000	$ 26,414,000		26,384,000
Maturity period									Apr. 01, 2022
Principal and interest outstanding								15,000,000.0	$ 15,000,000.0
Cash								$ 191,000	$ 191,000
Interest rate								10.75%	10.75%
Principal and interest outstanding net								$ 26,600,000	$ 26,600,000
Unamortized debt issuance costs									138,000
Outstanding balance								95,000	95,000
Redemption fees									$ 7,500,000
Senior Debt-TEC | Revenue Participation Term Notes
Maturity period									Apr. 01, 2022
Principal and interest outstanding								10,000,000.0	$ 10,000,000.0
Cash								$ 119,000	$ 119,000
Interest rate								5.00%	5.00%
Principal and interest outstanding net								$ 12,000,000.0	$ 12,000,000.0
Unamortized debt issuance costs									83,000
Outstanding balance								60,000	$ 60,000
Senior Debt-TEC | Reserve Liquidity
Maturity period									Apr. 01, 2022
Principal and interest outstanding								$ 0	$ 0
Fees percentage								30.00%	30.00%
Borrowed amount									$ 70,000,000.0
Promissory note amount									$ 40,000,000.0
Extended maturity date									Apr. 01, 2023
Financing Agreement for capital expenditures [Member]
Net and the related liability								$ 600,000.0	$ 600,000.0
Payment for equipment								5,700,000	5,700,000
Other long term debt								5,100,000	5,100,000
GAFI Term loan and Revolving loan
Payment for equipment								$ 22,200,000	$ 22,200,000		400,000
Maturity period	Apr. 01, 2023		Apr. 01, 2022						Jul. 10, 2021
Cash						$ 1,100,000
Interest rate								10.00%	10.00%
Outstanding value								$ 11,800,000	$ 11,800,000
Loans amount							$ 10,000,000	15,000,000	15,000,000
Aggregate loan amount								10,000,000	10,000,000
GAFI Loan								500,000	500,000			$ 1,100,000
Additional amount			$ 1,500,000.0				1,500,000
Fees							75,000
Repayment amount						$ 2,100,000	$ 1,600,000	500,000	1,000,000.0
Stock appreciation shares						1,050,000
Call option						$ 2.00
Common stock shares amount						$ 2,100,000
Put option						$ 1.00						$ 1.00
Put option amount												$ 1,100,000
February 2019 Note
Principal and interest outstanding								2,200,000	2,200,000
EB-5 Phase II Notes
Principal and interest outstanding								$ 50,000,000.0	$ 50,000,000.0
Interest rate								3.00%	3.00%
Loans amount								$ 900,000	$ 900,000
Principal and interest outstanding net								900,000	900,000
Investment fund								500,000	500,000
Investment current offering								900,000	900,000
Aggregate principal amount								50,800,000	$ 50,800,000
Due and payable term									4 years
Escrow amount								4,000,000.0	$ 4,000,000.0
Remaining funded to escrow								46,800,000	46,800,000
Escrow outstanding								4,200,000	4,200,000
Unsecured Working Capital Loans
Principal and interest outstanding								$ 5,700,000	$ 5,700,000		2,000,000
Interest rate								12.00%	12.00%
Monthly net operating profit rate								30.00%	30.00%
Operational support charges								30.00%	30.00%
Secunderabad Oils
Principal and interest outstanding								$ 600,000	$ 600,000		$ 600,000.0
Interest rate								14.75%	14.75%
Monthly net operating profit rate								30.00%	30.00%
Desposit								$ 2,300,000	$ 2,300,000
EB-5 Phase I Notes
Loans amount								500,000	500,000
Repayment amount								500,000	1,000,000.0
Principal and interest outstanding net								36,000,000.0	36,000,000.0
Investment fund								500,000	500,000
Aggregate principal amount								36,000,000.0	36,000,000.0
Escrow amount								35,500,000	35,500,000
Remaining funded to escrow								500,000	500,000
Principal outstanding								500,000	500,000
Interest outstanding								$ 3,100,000	$ 3,100,000
Conversion price								$ 30	$ 30
Accrued interest outstanding								$ 3,700,000	$ 3,700,000
Principal funding amount								$ 34,500,000	$ 34,500,000
GAFI Revolving Loan
Fees percentage								13.75%	13.75%
Cash								$ 926,000	$ 926,000
Interest rate								10.00%	10.00%
Unamortized debt issuance costs									$ 669,000
Outstanding balance								$ 418,000	418,000
Principal outstanding								$ 68,300,000.0	68,300,000.0
Interest and waiver fees									68,300,000
Extension fee									$ 518,000
GAFI Term Loan
Maturity period									Apr. 01, 2022
Fees percentage								14.00%	14.00%
Cash								$ 71,000	$ 71,000
Unamortized debt issuance costs									52,000
Outstanding balance								35,000	35,000
Principal outstanding								$ 7,100,000	$ 7,100,000

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