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Debt (Details Narrative) - USD ($) $ / shares in Units, shares in Thousands					3 Months Ended	9 Months Ended
	Aug. 09, 2021	Mar. 14, 2021	Aug. 11, 2020	Mar. 06, 2020	Sep. 30, 2021	Sep. 30, 2021	Nov. 05, 2021	Dec. 31, 2020	Mar. 31, 2020	Jul. 22, 2019	Feb. 27, 2019	Oct. 16, 2016
Net of debt issuance					$ 184,978,000	$ 184,978,000		$ 229,619,000
Net and the related liability					13,901,000	13,901,000		14,541,000
Other long term debt					11,418,000	11,418,000		11,980,000
Minimum [Member]
Remaining funded to escrow					$ 300,000.0	$ 300,000.0
Loan rate					7.75%	7.75%
Maximum [Member]
Remaining funded to escrow					$ 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]
Debt instrument face amount					2,500,000	2,500,000
Received loan					1,100,000	1,100,000
Proceeds from issuance of debt					1,100,000.0	1,100,000
Subordinated Notes
Debt instrument face amount					$ 900,000	$ 900,000
Debt instrument interest rate					10.00%	10.00%
Net of debt issuance					$ 13,229,000	$ 13,229,000		12,745,000
Fees percentage					10.00%	10.00%
Exercise price per share					$ 0.01	$ 0.01
Warrants exercisable					$ 0.01	$ 0.01
Equity financing					$ 25,000,000.0	$ 25,000,000.0
Debt instrument fee amount percentage					10.00%	10.00%
Warrants to purchase common stock shares						113
Principal and interest outstanding net					$ 600,000.0	$ 600,000.0
Subordinated Notes | Orsak and Lies [Member]
Discount issuance costs					800,000	800,000
Debt instrument face amount					500,000	500,000		12,700,000
Debt instrument fair value, loans amount					15,000,000	15,000,000
Senior Debt-TEC | Promissory Notes [Member]
Discount issuance costs					36,000	36,000
Debt instrument face amount					7,200,000	7,200,000
Debt instrument fee amount	$ 300,000	$ 100	$ 300,000		300,000	$ 300,000	$ 100,000				$ 2,100,000
Maturity period	Apr. 01, 2023	Apr. 01, 2022				Apr. 01, 2021
Net of debt issuance					7,093,000	$ 7,093,000		7,066,000
Amendment fee			50,000			$ 50,000
Waiver fee			$ 50,000
Extension Fee	1.00%	1.00%	1.00%			1.00%
Total proceeds											$ 100,000
Additional borrowings first					$ 700,000	$ 700,000			$ 600,000
Reserve liquidity facility	$ 40,000,000.0			$ 70,000,000.0
Fees percentage					5.00%	5.00%					14.00%
Reduction in extension fee	$ 300,000				$ 300,000	$ 300,000
Additional borrowings second											$ 900,000.0
Exceed capital expenditures						100,000
Borrowed interest rate				30.00%
Default event	40.00%			40.00%
Non-refundable fees percentage	2.00%
Interest rates					14.00%	14.00%
Senior Debt-TEC | Revolving Credit Facility
Debt instrument face amount					$ 18,000,000.0	$ 18,000,000.0
Maturity period						Apr. 01, 2022
Net of debt issuance					$ 71,732,000	$ 71,732,000		80,310,000
Fees percentage					13.75%	13.75%
Senior Debt-TEC | Reserve Liquidity Facility
Debt instrument face amount					$ 7,100,000	$ 7,100,000
Debt instrument fee amount	$ 500,000				$ 500,000	$ 500,000				$ 1,100,000.0
Fees percentage	30.00%
Default event	40.00%			40.00%
Non-refundable fees percentage	2.00%
Debt instrument fee amount percentage					1.00%	1.00%
Promissory note, payable	$ 40,000,000.0			$ 18,000,000
Senior Debt-TEC | Promissory Notes [Member]
Net of debt issuance					$ 0	$ 0		1,444,000
Senior Debt-TEC | Acquisition Participation Term Notes
Discount issuance costs					95,000	95,000
Debt instrument face amount					$ 4,100,000	$ 4,100,000
Debt instrument interest rate					14.00%	14.00%
Maturity period						Apr. 01, 2022
Net of debt issuance					$ 26,457,000	$ 26,457,000		26,384,000
Fees percentage					10.75%	10.75%
Principal and interest outstanding					$ 15,000,000.0	$ 15,000,000.0
Principal outstanding					$ 26,600,000	26,600,000
Unamortized debt issuance cost						138
Redemption fees						$ 7,500,000
Fee pay carrying value					1.00%	1.00%
Senior Debt-TEC | Revenue Participation Term Notes
Debt instrument face amount					$ 10,000,000.0	$ 10,000,000.0
Maturity period						Apr. 01, 2022
Net of debt issuance					$ 11,914,000	$ 11,914,000		11,864,000
Fees percentage					5.00%	5.00%
Principal and interest outstanding net					$ 12,000,000.0	$ 12,000,000.0
Unamortized debt issuance costs						56,000
Outstanding balance					60,000	60,000
Senior Debt-TEC | Reserve Liquidity
Debt instrument face amount					$ 40,000,000.0	$ 40,000,000.0
Debt instrument interest rate					30.00%	30.00%
Maturity period						Apr. 01, 2022
Fees percentage					30.00%	30.00%
Cilion [Member] | Subordinated Debt [Member]
Debt instrument face amount					$ 6,400,000	$ 6,400,000
Net of debt issuance					$ 6,386,000	$ 6,386,000		6,274,000
Fees percentage					3.00%	3.00%
Principal and interest outstanding					$ 4,000,000.0	$ 4,000,000.0
GAFI Term loan and Revolving loan
Discount issuance costs					400,000	400,000
Debt instrument face amount					$ 11,800,000	$ 11,800,000
Debt instrument interest rate					10.00%	10.00%
Debt instrument fee amount					$ 500,000	$ 500,000
Aggregate loan amount					10,000,000	$ 10,000,000
Maturity period	Apr. 01, 2023		Apr. 01, 2022			Jul. 10, 2021
Additional amount			$ 1,500,000.0
Repayment amount					500,000	$ 1,000,000.0
Put option										$ 1.00
Put option amount										$ 1,100,000.0
Net of debt issuance					22,200,000	22,200,000
Financing Agreement for capital expenditures [Member]
Net of debt issuance					5,700,000	5,700,000
Net and the related liability					700,000	700,000
Other long term debt					5,000,000.0	5,000,000.0
February 2019 Note
Debt instrument face amount					14,100	14,100
EB-5 Phase II Notes
Debt instrument face amount					$ 6,400,000.0	$ 6,400,000.0
Fees percentage					3.00%	3.00%
Principal and interest outstanding					$ 5,000,000.0	$ 5,000,000.0
Increased debt insrument face amount						900,000
Remaining funded to escrow					46,800,000	46,800,000
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
Unsecured Working Capital Loans
Debt instrument interest rate					12.00%	12.00%
Repayment amount						$ 8,500,000
Monthly net operating profit rate					30.00%	30.00%
Operational support charges					30.00%	30.00%
Secunderabad Oils
Debt instrument face amount					$ 2,300,000	$ 2,300,000		$ 900,000
Fees percentage					14.75%	14.75%
Monthly net operating profit rate					30.00%	30.00%
EB-5 Phase I Notes
Debt instrument face amount					$ 500,000	$ 500,000
Repayment amount					0	1,000,000.0
Principal and interest outstanding net					36,000,000.0	36,000,000.0
Remaining funded to escrow					500,000	500,000
Aggregate principal amount					36,000,000.0	36,000,000.0
Escrow amount					35,500,000	35,500,000
Interest outstanding					3,100,000	3,100,000
Investment funds					$ 500,000	$ 500,000
Conversion price					$ 30	$ 30
Accrued interest outstanding					$ 3,900,000	$ 3,900,000
Principal funding amount					34,500,000	34,500,000
Phase II funding amount												$ 50,000,000.0
GAFI Revolving Loan
Debt instrument face amount					$ 72,400,000	$ 72,400,000
Debt instrument interest rate					10.00%	10.00%
Unamortized debt issuance cost						$ 671
GAFI Term Loan
Discount issuance costs					$ 35,000	35,000
Debt instrument fee amount					$ 71,000	$ 71,000
Maturity period						Apr. 01, 2022
Fees percentage					13.75%	13.75%

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Number of shares of stock issued attributable to transactions classified as other.

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Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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