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Note 4 - Debt- Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt, Long-Term and Short-Term, Combined Amount, Total	$ 246,240	$ 188,767
Less current portion of debt	49,219	22,778
Total long term debt	197,021	165,989
Third Eye Capital Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	7,141	7,095
Third Eye Capital Revolving Credit Facility [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	60,602	75,980
Third Eye Capital Revenue Participation Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	11,963	11,915
Third Eye Capital Acquisition Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	26,578	26,461
Third Eye Capital Fuels Revolving Line [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	27,410	0
Third Eye Capital Carbon Revolving Line [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	22,710	0
Construction Loan Agreement [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	19,820	0
Cilion Shareholder Seller Notes Payable [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	6,821	6,619
Subordinated Notes 1 [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	15,931	14,304
EB-5 Promissory Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	41,404	40,692
Term Loan On Equipment Purchase [Member]
Debt, Long-Term and Short-Term, Combined Amount, Total	$ 5,860	$ 5,701

X

- Definition

Amount of debt and lease obligation, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(21))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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X

- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

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X

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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