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Debt (Details Narrative) - USD ($)				3 Months Ended
	Aug. 09, 2021	Mar. 14, 2021	Mar. 06, 2020	Mar. 31, 2022	Mar. 31, 2021	Mar. 08, 2022	Mar. 02, 2022	Dec. 31, 2021	Nov. 05, 2021	Feb. 27, 2019
Debt Instrument Face Amount				$ 5,000,000.0
Total Proceeds				600,000.0	$ 300,000.0
Principal And Interest Outstanding Net				10,000,000	$ 22,100,000.0
Unamortized Debt Issuance Cost				$ 3,000,000.0
Warrants Exercisable				$ 13.33	$ 0.01
Debt Extinguishment Loss				$ (681,000)	$ 0
Net Of Debt Issuance				203,223,000				$ 188,767,000
Net And The Related Liability				14,837,000				14,586,000
Other Long Term Debt				11,852,000				12,038,000
McAfee [Member]
Net Amount At Risk By Product And Guarantee, Net Amount At Risk				8,000,000.0
Promissory Notes [Member] | Senior Debt
Net Of Debt Issuance				0
Revenue Participation Term Notes | Senior Debt
Principal And Interest Outstanding Net				$ 11,900,000
Maturity Period				Apr. 01, 2023
Aggregate Loan Amount				$ 10,000,000.0
Bears Interest Rate				5.00%
Unamortized Debt Issuance Costs				$ 157,000
Net Of Debt Issuance				11,875,000				11,915,000
Reserve Liquidity | Senior Debt
Debt Instrument Face Amount				$ 40,000,000.0
Debt Instruments Interest Rate				30.00%
Revolving Credit Facility
Debt Instrument Face Amount				$ 5,950,000
Debt Instruments Interest Rate				17.25%
Revolving Credit Facility Accrues Interest Rate				13.75%
Unamortized Debt Issuance Cost				$ 1,400,000
Acquisition Term Notes Member | Senior Debt
Unamortized Debt Issuance Cost				$ 260,000
Maturity Period				Apr. 01, 2023
Debt Instruments Interest Rate				14.25%
Revolving Credit Facility Accrues Interest Rate				10.75%
Debt Instrument Fair Value, Loans Amount				$ 15,000,000.0
Principal Outstanding				26,400,000
Redemption Fees				7,500,000
Net Of Debt Issuance				26,399,000				26,461,000
New Credit Facility
Property Taxes				6,100,000
Senior Debt-TEC | Promissory Notes [Member]
Debt Instrument Face Amount				$ 7,200,000
Total Proceeds										$ 100,000
Maturity Period	Apr. 01, 2023	Apr. 01, 2022		Apr. 01, 2023
Discount Issuance Costs				$ 97,000
Debt Instrument Fee Amount	$ 300,000	$ 100,000		8,700,000.0		$ 100,000			$ 100,000
Extension Fee	1.00%	1.00%
Additional Borrowings First				$ 600,000
Additional Borrowings Second										$ 700,000
Exceed Capital Expenditures				100,000
Interest Rates				14.00%
Principal And Interest Outstanding				$ 7,100,000
Net Of Debt Issuance				$ 7,071,000				7,095,000
Senior Debt-TEC | Reserve Liquidity Facility [Member]
Maturity Period				Apr. 01, 2023
Reserve Liquidity Facility After Reduction			$ 40,000,000.0
Line Of Credit Facility, Increase (decrease), Net			$ 70,000,000.0
Borrowed Interest Rate			30.00%
Default Event			40.00%
Non-refundable Fees Percentage			2.00%
Non-refundable Fees			$ 50,000
Senior Debt-TEC | Revolving Credit Facility
Debt Amount			$ 18,000,000.0
Repayment Of Revolving Line				$ 16,000,000.0
Net Of Debt Issuance				59,524,000				75,980,000
Subordinated Notes
Debt Instrument Face Amount				900,000
Principal And Interest Outstanding Net				14,300,000				14,300,000.0
Unamortized Debt Issuance Cost				$ 600,000
Debt Instruments Interest Rate				10.00%
Debt Instrument Fee				$ 90,000
Debt Instrument Interest Rate				10.00%
Exercise Price Per Share				$ 0.01
Warrants Exercisable				$ 0.01
Equity Financing				$ 2,500,000
Debt Extinguishment Loss				$ 700,000.0
Warrants To Purchase Common Stock Shares				113,000
Net Of Debt Issuance				$ 14,321,000				$ 14,304,000
Capital Revolving Credit Facility for Fuels and Carbon Lines
Debt Instrument Face Amount				22,100,000
Unamortized Debt Issuance Cost				$ 2,000,000.0
Aggregate Credit Facilities							$ 100,000,000
Purchase Shares Of Common Stock							50,000
Exercise Price							$ 10.20
Warrant Holders Purchase Of Common Stock							250,000
Warrant Exercise Price				$ 20.00
Number Of Shares Issued To Existing Shareholders				100,000
Maturity Period				Mar. 01, 2025
Description Of Rate Of Interest Per Annum				the greater of (i) the prime rate plus 6.00% and (ii) ten percent (10.0%), and the revolving loans made under the Carbon Revolving Line will have a maturity date of March 1, 2026 and accrue a rate of interest per annum equal to the greater of (i) the prime rate plus 4.00% and (ii) eight percent (8.0%).
Fuels Revolving Line
Debt Instrument Face Amount				$ 8,700,000
Debt Amount							$ 50
Carbon Revolving Line
Debt Amount							$ 50
Cilion [Member]
Debt Instrument Face Amount				$ 6,700,000
Debt Instruments Interest Rate				3.00%
Debt Instrument Fee				$ 250,000
EB-5 Phase I Notes
Debt Instrument Face Amount				500,000
Principal And Interest Outstanding Net				36,000,000.0
Remaining Funded To Escrow				500,000
Aggregate Principal Amount				36,000,000.0
Escrow Amount				35,500,000
Interest Outstanding				4,100,000
Investment Funds				$ 500,000
Conversion Price				$ 30
Accrued Interest Outstanding				$ 4,200,000
Principal Funding Amount				32,500,000
Secunderabad Oils
Debt Instrument Face Amount				$ 2,300,000
Debt Instruments Interest Rate				14.75%
Monthly Net Operating Profit Rate				30.00%
GAFI Term loan and Revolving loan
Debt Instrument Fee Amount				$ 15,000,000
Debt Instruments Interest Rate				10.00%
GAFI Term loan and Revolving loan | Minimum [Member]
Loan Rate				7.75%
GAFI Term loan and Revolving loan | Maximum [Member]
Loan Rate				12.00%
Financing Agreement for capital expenditures [Member]
Net Of Debt Issuance				$ 5,700,000
Net And The Related Liability				500,000
Other Long Term Debt				$ 5,200,000
EB-5 Phase II Notes
Debt Instruments Interest Rate				3.00%
Debt Instrument Face Amount				$ 46,800,000
Principal And Interest Outstanding Net				4,000,000.0
Remaining Funded To Escrow				500,000
Aggregate Principal Amount				50,800,000
Investment Funds				500,000
Increased Debt Insrument Face Amount				$ 900,000
Due And Payable Term				5 years
Principal Amount Per				$ 0.9

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