Aemetis (AMTX) 10-Q 9 May 24 2024 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2024	Apr. 30, 2024
Document Information [Line Items]
Entity Central Index Key	0000738214
Entity Registrant Name	AEMETIS, INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2024
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	001-36475
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-1407544
Entity Address, Address Line One	20400 Stevens Creek Blvd., Suite 700
Entity Address, City or Town	Cupertino
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95014
City Area Code	408
Local Phone Number	213-0940
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	AMTX
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		44,397,833

Consolidated Condensed Balance

Consolidated Condensed Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,629	$ 2,667
Accounts receivable	8,867	8,633
Inventories, net of allowance for excess and obsolete inventory of $1,040 as of March 31, 2024 and December 31, 2023, respectively	16,011	18,291
Prepaid expenses	2,418	3,347
Other current assets	4,027	3,462
Total current assets	32,952	36,400
Property, plant and equipment, net	197,737	195,108
Operating lease right-of-use assets	1,951	2,056
Other assets	9,599	9,842
Total assets	242,239	243,406
Current liabilities:
Accounts payable	29,789	32,132
Current portion of long term debt	48,870	13,585
Short term borrowings	23,937	23,443
Other current liabilities	15,322	15,229
Total current liabilities	117,918	84,389
Long term liabilities:
Senior secured notes and revolving notes	150,830	176,476
EB-5 notes	29,500	29,500
Other long term debt	54,087	51,717
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent	116,900	113,200
Other long term liabilities	5,175	5,112
Total long term liabilities	356,462	375,994
Stockholders' deficit:
Common stock, $0.001 par value per share; 80,000 shares authorized; 42,616 and 40,966 shares issued and outstanding each period, respectively	43	41
Additional paid-in capital	273,167	264,058
Accumulated deficit	(499,636)	(475,405)
Accumulated other comprehensive loss	(5,715)	(5,671)
Total stockholders' deficit	(232,141)	(216,977)
Total liabilities and stockholders' deficit	242,239	243,406
Convertible Series A Preferred Stock Subject to Mandatory Redemption [Member]
Long term liabilities:
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent	$ 116,870	$ 113,189

Consolidated Condensed Balanc_2

Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Cash and cash equivalents	$ 1,629	$ 2,667
Accounts receivable	8,867	8,633
Inventory Valuation Reserves	1,040	1,040
Prepaid expenses	2,418	3,347
Other current assets	4,027	3,462
Property, plant and equipment, net	197,737	195,108
Operating lease right-of-use assets	1,951	2,056
Other assets	9,599	9,842
Accounts payable	29,789	32,132
Current portion of long term debt	48,870	13,585
Short term borrowings	23,937	23,443
Other current liabilities	15,322	15,229
Other long term debt	54,087	51,717
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent	116,900	113,200
Other long term liabilities	$ 5,175	$ 5,112
Common Stock, Par Value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares)	80,000	80,000
Common Stock, Shares Issued (in shares)	42,616	40,966
Common Stock, Shares Outstanding (in shares)	42,616	40,966
Convertible Series A Preferred Stock Subject to Mandatory Redemption [Member]
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent	$ 116,870	$ 113,189
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents	10	1,093
Accounts receivable	675	55
Prepaid expenses	1,034	1,438
Other current assets	143	289
Property, plant and equipment, net	85,514	81,966
Operating lease right-of-use assets	125	145
Other assets	4,722	4,881
Accounts payable	4,387	3,815
Current portion of long term debt	498	190
Short term borrowings	9	9
Other current liabilities	50	48
Other long term debt	43,416	40,857
Other long term liabilities	54	67
Variable Interest Entity, Primary Beneficiary [Member] | Convertible Series A Preferred Stock Subject to Mandatory Redemption [Member]
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent	$ 116,870	$ 113,189

Consolidated Condensed Statemen

Consolidated Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues	$ 72,634	$ 2,151
Cost of goods sold	73,246	3,446
Gross loss	(612)	(1,295)
Selling, general and administrative and R&D expenses	8,850	10,828
Operating loss	(9,462)	(12,123)
Other expense (income):
Interest rate expense	9,092	7,078
Debt related fees and amortization expense	1,421	1,969
Accretion and other expenses of Series A preferred units	3,311	5,564
Other (income) expense	67	(76)
Loss before income taxes	(23,353)	(26,658)
Income tax expense (benefit)	878	(248)
Net loss	(24,231)	(26,410)
Other comprehensive income (loss)
Foreign currency translation (loss) income	(44)	117
Comprehensive loss	$ (24,275)	$ (26,293)
Net loss per common share
Basic (in dollars per share)	$ (0.58)	$ (0.73)
Diluted (in dollars per share)	$ (0.58)	$ (0.73)
Weighted average shares outstanding
Basic (in shares)	41,889	36,425
Diluted (in shares)	41,889	36,425

Consolidated Condensed Statem_2

Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net loss	$ (24,231)	$ (26,410)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation	2,969	2,662
Depreciation	1,798	1,790
Debt related fees and amortization expense	1,421	1,969
Intangibles and other amortization expense	12	12
Accretion and other expenses of Series A preferred units	3,311	5,564
Deferred tax benefit	0	(262)
Changes in operating assets and liabilities:
Accounts receivable	(245)	1,005
Inventories	2,259	(7,942)
Prepaid expenses	929	2,315
Other assets	(544)	460
Accounts payable	(3,236)	3,002
Accrued interest expense and fees	5,500	5,356
Other liabilities	(221)	(779)
Net cash used in operating activities	(10,278)	(11,258)
Investing activities:
Capital expenditures	(3,583)	(7,616)
Grant proceeds and other reimbursements received for capital expenditures	1,900	6,757
Net cash used in investing activities	(1,683)	(859)
Financing activities:
Proceeds from borrowings	6,223	11,583
Repayments of borrowings	(411)	(2,724)
Lender debt renewal and waiver fee payments	(750)	0
Payments on finance leases	(8)	(83)
Proceeds from sales of common stock	5,513	2,617
Proceeds from exercise of stock options	36	0
Net cash provided by financing activities	10,603	11,393
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	15	(56)
Net change in cash, cash equivalents, and restricted cash for period	(1,343)	(780)
Cash, cash equivalents, and restricted cash at beginning of period	6,280	6,999
Cash, cash equivalents and restricted cash at end of period	4,937	6,219
Supplemental disclosures of cash flow information, cash paid:
Cash paid for interest	2,963	1,515
Income taxes paid	878	14
Supplemental disclosures of cash flow information, non-cash transactions:
Subordinated debt extension fees added to debt	340	340
Debt fees added to revolving lines	0	423
Fair value of warrants issued to subordinated debt holders	593	448
Lender debt extension, waiver, and other fees added to debt	595	384
Cumulative capital expenditures in accounts payable, including net increase (decrease) of $1,027 and ($511), respectively	$ 8,927	$ 14,900

Consolidated Condensed Statem_3

Consolidated Condensed Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (decrease) in cumulative capital expenditures in accounts payable	$ 1,027	$ (511)

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Deficit (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2022	1,270	35,869
Balance at Dec. 31, 2022	$ 1	$ 36	$ 232,546	$ (428,985)	$ (5,452)	$ (201,854)
Issuance of common stock (in shares)	0	668
Issuance of common stock	$ 0	$ 1	2,616	0	0	2,617
Stock options exercised (in shares)	0	40
Stock options exercised	$ 0	$ 0	0	0	0	0
Stock-based compensation	$ 0	$ 0	2,662	0	0	2,662
Issuance and exercise of warrants (in shares)	0	113
Issuance and exercise of warrants	$ 0	$ 0	448	0	0	448
Foreign currency translation gain	0	0	0	0	117	117
Net loss	$ 0	$ 0	0	(26,410)	0	(26,410)
Series B conversion to common stock (in shares)	0	0
Series B conversion to common stock	$ 0	$ 0	0	0	0	0
Balance (in shares) at Mar. 31, 2023	1,270	36,690
Balance at Mar. 31, 2023	$ 1	$ 37	238,272	(455,395)	(5,335)	(222,420)
Balance (in shares) at Dec. 31, 2023	0	40,966
Balance at Dec. 31, 2023	$ 0	$ 41	264,058	(475,405)	(5,671)	(216,977)
Issuance of common stock (in shares)	0	1,523
Issuance of common stock	$ 0	$ 2	5,511	0	0	5,513
Stock options exercised (in shares)	0	14
Stock options exercised	$ 0	$ 0	36	0	0	36
Stock-based compensation	$ 0	$ 0	2,969	0	0	2,969
Issuance and exercise of warrants (in shares)	0	113
Issuance and exercise of warrants	$ 0	$ 0	593	0	0	593
Foreign currency translation gain	0	0	0	0	(44)	(44)
Net loss	$ 0	$ 0	0	(24,231)	0	(24,231)
Balance (in shares) at Mar. 31, 2024	0	42,616
Balance at Mar. 31, 2024	$ 0	$ 43	$ 273,167	$ (499,636)	$ (5,715)	$ (232,141)

Note 1 - Summary of Significant

Note 1 - Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Basis of Presentation and Significant Accounting Policies [Text Block]	1. Summary of Significant Accounting Policies Nature of Activities Founded in 2006 ► California Ethanol 65 ► California Dairy Renewable Natural Gas eight 36 43 24 2024. ► India Biodiesel 60 one In addition, we are actively growing our business by seeking to develop or acquire new facilities, including the following key projects: ► Sustainable Aviation Fuel and Renewable Diesel 90 2023, March 2024, ► Carbon Capture and Underground Sequestration May 2023, 2024 The Company’s current and planned businesses produce renewable fuels and reduce carbon emissions, while generating valuable Renewable Fuel Standard credits, California Low Carbon Fuel Standard credits, and federal tax credits. Basis of Presentation and Consolidation These consolidated financial statements include the accounts of Aemetis, Inc. and its subsidiaries. We consolidate all entities in which we have a controlling financial interest. A controlling financial interest is usually obtained through ownership of a majority of the voting interests. However, an enterprise must consolidate a variable interest entity (“VIE”) if the enterprise is the primary beneficiary of the VIE, even if the enterprise does not All intercompany balances and transactions have been eliminated in consolidation. The accompanying consolidated condensed balance sheet as of March 31, 2024 three March 31, 2024 2023 three March 31, 2024 2023 three March 31, 2024 2023 December 31, 2023 2023 2023 10 December 31, 2023 In the opinion of Company’s management, the unaudited interim consolidated condensed financial statements as of and for the three March 31, 2024 2023 December 31, 2023 three March 31, 2024 not There have been no 1 10 December 31, 2023.

Note 2 - Revenue

Note 2 - Revenue	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	2. We derive revenue primarily from sales of ethanol and related co-products in California, renewable natural gas ("RNG") and related environmental attributes in California, and biodiesel and refined glycerin in India. California Ethanol Revenues: second 2023, not Given the similarity of the individual sales transactions with J.D. Heiskell, we have assessed them as a portfolio of similar contracts. Prior to May 25, 2023, May 25, 2023, one During the last two December 2022, first second 2023 May 2023, March 31, 2023. The following table shows sales in our California Ethanol segment by product category: For the three months ended March 31, 2024 2023 Ethanol sales $ 25,385 $ 368 Wet distiller's grains sales 9,213 - Other sales 1,491 107 Total $ 36,089 $ 475 California Dairy Renewable Natural Gas Revenues: March 31, 2024 eight 36 "D3 D3 third 2023 first 2024. D3 For the three months ended March 31, 2024 2023 RNG, LCFS and D3 RIN sales $ 3,792 $ 206 India Biodiesel Revenues: The following table shows our sales in our India Biodiesel segment by product category: For the three months ended March 31, 2024 2023 Biodiesel sales $ 30,992 $ 1,190 Other sales 1,761 280 Total $ 32,753 $ 1,470

Note 3 - Cash and Cash Equivale

Note 3 - Cash and Cash Equivalents	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	3. The following table reconciles cash, cash equivalents, and restricted cash reported in the Consolidated Balance Sheet to the statement of cash flows: As of March 31, 2024 December 31, 2023 Cash and cash equivalents $ 1,629 $ 2,667 Restricted cash included in other current assets 143 289 Restricted cash included in other assets 3,165 3,324 Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 4,937 $ 6,280 Restricted cash shown in the table above includes amounts required to be set aside by the Construction and Term Loan Agreement arranged by Greater Commercial Lending ("GCL") for financing reserves and construction contingencies.

Note 4 - Basic and Diluted Net

Note 4 - Basic and Diluted Net Loss Per Share	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Earnings Per Share [Text Block]	4. Basic net loss per share is computed by dividing income or loss attributable to common stockholders by the weighted average number of shares of common stock outstanding for the period. Diluted net loss per share reflects the dilution of common stock equivalents such as options, convertible preferred stock, debt and warrants to the extent the impact is dilutive. The following table shows the number of potentially dilutive shares excluded from the diluted net loss per share calculation as of March 31, 2024 2023 As of March 31, 2024 March 31, 2023 Series B preferred (post split basis) - 127 Common stock options and warrants 7,743 6,125 Debt with conversion feature at $ 30 1,270 1,246 Total number of potentially dilutive shares 9,013 7,498

Note 5 - Inventories

Note 5 - Inventories	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Inventory Disclosure [Text Block]	5. Inventories Inventories consist of the following: As of March 31, 2024 December 31, 2023 Raw materials $ 9,564 $ 9,907 Work-in-progress 1,657 1,682 Finished goods 4,790 6,702 Total inventories $ 16,011 $ 18,291 As of March 31, 2024 , and December 31, 2023 , the Company recognized a lower of cost or net realizable value adjustment of $109 thousand and $ 58 thousand, respectively, related to inventory.

Note 6 - Property, Plant and Eq

Note 6 - Property, Plant and Equipment	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	6. Property, Plant and Equipment Property, plant and equipment consist of the following: As of March 31, 2024 December 31, 2023 Land $ 7,344 $ 7,345 Plant and buildings 136,750 136,318 Furniture and fixtures 2,529 2,266 Machinery and equipment 15,150 14,982 Construction in progress 76,609 73,057 Property held for development 15,431 15,431 Finance lease right of use assets 2,889 2,889 Total gross property, plant & equipment 256,702 252,288 Less accumulated depreciation (58,965 ) (57,180 ) Total net property, plant & equipment $ 197,737 $ 195,108 For the three March 31, 2024 2023 Construction in progress includes costs for the biogas construction projects (dairy digesters and pipeline), Riverbank projects (sustainable aviation fuel and renewable diesel plant as well as carbon capture characterization well), and energy efficiency projects at the Keyes Plant. Property held for development is the partially completed Goodland Plant which is not Years Plant and buildings 20 - 30 Machinery and equipment 5 - 15 Furniture and fixtures 3 - 5 For the three March 31, 2024 2023,

Note 7 - Debt

Note 7 - Debt	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Debt Disclosure [Text Block]	7. Debt Debt consists of the following: March 31, 2024 December 31, 2023 Third Eye Capital term notes $ 7,172 $ 7,159 Third Eye Capital revolving credit facility 23,800 20,922 Third Eye Capital revolving notes Series B 57,694 54,412 Third Eye Capital revenue participation term notes 12,046 12,011 Third Eye Capital acquisition term notes 26,709 26,655 Third Eye Capital Fuels Revolving Line 35,168 32,511 Third Eye Capital Carbon Revolving Line 23,673 23,486 Construction and term loans 43,894 41,024 Cilion shareholder purchase obligation 7,081 7,028 Subordinated notes 17,747 17,625 EB-5 promissory notes 42,439 42,211 Working capital loans 3,954 3,827 Term loans on capital expenditures 5,847 5,850 Total debt 307,224 294,721 Less current portion of debt 72,807 37,028 Total long term debt $ 234,417 $ 257,693 Third Eye Capital Note Purchase Agreement On July 6, 2012, The Original Third Eye Capital Notes have been amended several times. Most recently, on March 25, 2024, No. 28 No. 28” 120%. No. 28, No. 28 470 50 470 60 Terms of Original Third Eye Capital Notes: A. Term Notes. As of March 31, 2024 , the Company had $7.3 million in principal and interest outstanding under the Term Notes and $104 thousand unamortized debt issuance costs. The Term Notes accrue interest at 14% per annum. The Term Notes mature on April 1, 2025. B. Revolving Credit Facility . The Revolving Credit Facility accrues interest at the prime rate plus 13.75% (22.25% as of March 31, 2024 ) payable monthly in arrears. The Revolving Credit Facility matures on April 1, 2025. March 31, 2024 , AAFK had $24.8 million in principal and interest and waiver fees outstanding and $1.0 million unamortized debt issuance costs under the Revolving Credit Facility. C. Revolving Notes Series B . The Revolving Notes Series B accrues interest at the prime rate plus 13.75% (22.25% as of March 31, 2024 ) payable monthly in arrears. The Revolving Notes Series B matures on April 1, 2025. March 31, 2024 , AAFK had $58.5 million in principal and interest and waiver fees outstanding and $0.8 million unamortized debt issuance costs under the Revolving Notes Series B. D. Revenue Participation Term Notes . The Revenue Participation Term Notes bear interest at 5% per annum and mature on April 1, 2025. March 31, 2024 , AAFK had $12.2 million in principal and interest outstanding under the Revenue Participation Term Notes and $168 thousand unamortized debt issuance costs. E. Acquisition Term Notes . The Acquisition Term Notes accrue interest at the prime rate plus 10.75% (19.25% per annum as of March 31, 2024 ) and mature on April 1, 2025. March 31, 2024 , Aemetis Facility Keyes, Inc. had $27.0 million in principal and interest and redemption fees outstanding under the Acquisition Term Notes and $325 thousand unamortized debt issuance costs. The outstanding principal balance includes $7.5 million in redemption fee on which interest is not The Original Third Eye Capital Notes contain various covenants, including but not not twelve first Third Eye Capital Reserve Facility. March 6, 2020, March 25, 2024, April 1, 2025. may may As of March 31, 2024 , we have no borrowings outstanding under the Reserve Liquidity Note. Third Eye Capital Revolving Credit Facility for Fuels and Carbon Lines. March 2, 2022, two March 1, 2025, ten March 1, 2026 eight poses and loans made under the Carbon Revolving Line are available for projects that reduce, capture, use, or sequester carbon with the objective of reducing carbon dioxide emissions. As of March 31, 2024 , GAFI had principal and interest outstanding of $35.1 million classified as current debt and $1.8 million unamortized debt issuance costs. As of March 31, 2024 , ACCI had principal and interest outstanding of $0.3 million classified as current debt, $23.4 million classified as long-term debt, and $1.5 million in unamortized debt issuance costs. Cilion Shareholder Purchase Obligation . In connection with the Company’s merger with Cilion, Inc. (“Cilion”), on July 6, 2012, $5.0 million payment obligation o Cilion shareholders as merger compensation subordinated to the senior secured Third Eye Capital Notes. The liability bears interest at 3% per annum and is due and payable after the Third Eye Capital Notes have been paid in full. As of March 31, 2024 , Aemetis Facility Keyes, Inc. had $7.0 million in Subordinated Notes January 6 January 9, 2012, two six six two may January 1, 2024, June 30, 2024. two January 1, 2024, 470 50 March 31, 2024 December 31, 2023 $17.7 million and $17.6 million in principal and interes EB- 5 5 March 4, 2011 ( January 19, 2012 July 24, 2012) 5 72 5 2 3%. Advanced BioEnergy, LP arranged equity investments by foreign investors, and then Advanced BioEnergy used the invested equity to make loans to the Keyes Plant. 5 February 27, 2019, 5 six 19 not 829 5 As of March 31, 2024 , $35.5 million has been released from the escrow amount to the Company, with $0.5 million remaining to be funded to escrow. As of March 31, 2024 and December 31, 2023 , $38.0 million and $37.9 million was outstanding, respectively, on the EB- 5 On October 16, 2016, 5 5 5 5 5 March 2024, 5 5 first 5 As of March 31, 2024 , and December 31, 2023 , $4.4 million and $4.3 million were outstanding on the EB- 5 5 India Biodiesel Secure and Unsecured Loans. November 13, 2023, not November 6, 2023, not one March 31, 2024 December 31, 2023, Aemetis Biogas 1 October 4, 2022, “AB1 AB1 1 AB1 December 22, 2023, AB1 "AB1 AB1 1 five five January 22, 2024, ( January 22, 2025, December 22, 2042, AB1 2025, AB1 March 31, 2024 December 31, 2023, AB1 Aemetis Biogas 2 July 28, 2023, second “AB2 AB2 not 2 five five AB2 August 15, 2023, ( August 15, 2025, July 28, 2043, AB2 2025, AB2 March 31, 2024, December 31, 2023, AB2 Financing Agreement for Capital Expenditures. TM bility of in other long-term debt, r March 31, 2024 Maturity Date Schedule Scheduled debt repayments for the Company’s loan obligations by year are as follows: Twelve Months ended March 31, Debt Repayments 2025 $ 72,807 2026 180,279 2027 13,211 2028 4,375 2029 2,085 Thereafter 39,220 Total debt 311,977 Debt issuance costs (4,753 ) Total debt, net of debt issuance costs $ 307,224

Note 8 - Leases

Note 8 - Leases	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Operating and Finance Leases [Text Block]	8. The Company is a party to operating leases for the Company's corporate office in Cupertino, modular offices, and laboratory facilities. We have also entered into several finance leases for mobile equipment and for the Riverbank Industrial Complex. These finance leases have a purchase option at the end of the term that we are reasonably certain we will exercise, so the leases are classified as finance leases. Our leases have remaining terms of one 12 The Company evaluates leases in accordance with ASC 842 Lease Accounting The components of lease expense are as follows: Three months ended March 31, 2024 2023 Operating lease cost Operating lease expense $ 181 $ 181 Short term lease expense 21 21 Variable lease expense 32 22 Total operating lease cost $ 234 $ 224 Finance lease cost Amortization of right-of-use assets $ 30 $ 31 Interest on lease liabilities 86 91 Total finance lease cost $ 116 $ 122 Cash paid for amounts included in the measurement of lease liabilities: Three months ended March 31, 2024 2023 Operating cash flows used in operating leases $ 169 $ 164 Operating cash flows used in finance leases 86 91 Financing cash flows used in finance leases $ 8 $ 83 Supplemental non-cash flow information related to ROU asset and lease liabilities was as follows for the three March 31, 2024 2023 Three months ended March 31, 2024 2023 Operating leases Accretion of the lease liability $ 74 $ 87 Amortization of right-of-use assets 105 94 The weighted average remaining lease term and weighted average discount rate as of March 31, 2024 are as follows: Weighted Average Remaining Lease Term Operating leases (in years) 4.0 4.9 Finance leases (in years) 12.8 13.7 Weighted Average Discount Rate Operating leases 14.1 % 14.1 % Finance leases 13.3 % 13.2 % Supplemental balance sheet information related to leases is as follows: March 31, 2024 December 31, 2023 Operating leases Operating lease right-of-use assets $ 1,951 $ 2,056 Other current liability 417 406 Other long term liabilities 1,677 1,783 Total operating lease liabilities 2,094 2,189 Finance leases Property and equipment, at cost $ 2,889 $ 2,889 Accumulated depreciation (258 ) (228 ) Property and equipment, net 2,631 2,661 Other current liability 31 30 Other long term liabilities 2,763 2,687 Total finance lease liabilities 2,794 2,717 Maturities of operating lease liabilities are as follows: Twelve months ended March 31, Operating leases Finance leases 2025 $ 678 $ 179 2026 670 159 2027 631 145 2028 650 145 2029 109 145 Thereafter - 10,105 Total lease payments 2,738 10,878 Less imputed interest (644 ) (8,084 ) Total lease liability $ 2,094 $ 2,794 The Company acts as sublessor in certain leasing arrangements, primarily related to land and buildings. Fixed sublease payments received are recognized on a straight-line basis over the sublease term. Sublease income and head lease expense for these transactions are recognized on net basis on the consolidated financial statements. Sublease income is recorded in the other operating income section of the Consolidated Statements of Operations and Comprehensive Loss. The components of lease income are as follows: Three months ended March 31, 2024 2023 Lease income $ 491 $ 471 Future lease commitments to be received by the Company as of March 31, 2024 Twelve months ended March 31, 2025 $ 845 2026 825 2027 670 2028 615 2029 613 Thereafter 631 Total future lease commitments $ 4,199

Note 9 - Aemetis Biogas LLC - S

Note 9 - Aemetis Biogas LLC - Series A Preferred Financing	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Variable Interest Entity Disclosure [Text Block]	9. Series A Preferred Financing On December 20, 2018, X 2022, On February 8, 2024, not December 31, 2023 April 30, 2024, not X May 1, 2024 April 30, 2025, ASC 470 60 no 10Q, not 470 60, April 30, 2025. March 31, 2024. The Company recorded Series A Preferred Unit liabilities as long-term liabilities of $116.9 million and $113.2 million as of March 31, 2024 , and December 31, 2023 , respectively.

Note 10 - Stock-based Compensat

Note 10 - Stock-based Compensation	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	10. 2019 On August 26, 2021, 2019 “2019 2019 April 25, 2019, 2019 2019 July 1, 2021, 2019 January 1 January 1 The following table summarizes activity under the 2019 three March 31, 2024 Shares Available for Grant Number of Shares Outstanding Weighted-Average Exercise Price Balance as of December 31, 2023 456 5,526 $ 4.42 Authorized 1,740 - - Options Granted (1,761 ) 1,761 3.10 RSAs Granted (364 ) - - Exercised - (14 ) 2.54 Forfeited/expired 61 (61 ) 6.97 Balance as of March 31, 2024 132 7,212 $ 4.08 The number of outstanding option shares as of March 31, 2024 vested. Inducement Equity Plan In March 2016, not March 31, 2024 no Stock-based Compensation Expense Stock-based compensation is accounted for in accordance with ASC 718, 14, Share-Based Payment not zero The weighted average fair value calculations for the options granted during the three March 31, 2024 2023 For the three months ended March 31, Description 2024 2023 Dividend-yield - - Risk-free interest rate 4.08 % 3.82 % Expected volatility 115.42 % 125.32 % Expected life (years) 5.81 7.00 Market value per share on grant date $ 3.10 $ 3.75 Fair value per option on grant date $ 2.65 $ 3.43 During the three March 31, 2024 2023 36 3,500 an $3.10 and $3.75, As of March 31, 2024 ha March 31, 2024

Note 11 - Warrants

Note 11 - Warrants	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Outstanding Warrants [Text Block]	11. During the three March 31, 2024 two $0.01 two three March 31, 2024 The fair value calculations for issued warrants are based on the following weighted average factors: For the three months ended March 31, Description 2024 2023 Dividend-yield - % - % Risk-free interest rate 4.23 % 4.41 % Expected volatility 101.36 % 125.32 % Expected life (years) 2.00 2.00 Exercise price per share $ 0.01 $ 0.01 Market value per share on grant date $ 5.24 $ 3.96 Fair value per share on grant date $ 5.23 $ 3.95 The following table summarizes warrant activity during the three March 31, 2024 Warrants Outstanding & Exercisable Weighted - Average Exercise Price Average Remaining Term in Years Outstanding December 31, 2023 530 $ 11.70 5.77 Granted 113 0.01 Exercised (113 ) 0.01 Outstanding March 31, 2024 530 $ 11.70 5.54 All of the above outstanding warrants are vested and exercisable as of March 31, 2024

Note 12 - Agreements

Note 12 - Agreements	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Collaborative Arrangement Disclosure [Text Block]	12. Working Capital Arrangement May 2023, The J.D. Heiskell sales and purchases activity associated with the J.D. Heiskell Purchase Agreement and J.D. Heiskell Procurement Agreement during the three March 31, 2024 2023 As of and for the three months ended March 31, 2024 2023 Ethanol sales $ 25,385 $ - Wet distiller's grains sales 9,213 - Corn oil sales 1,292 37 CDS sales 21 - Corn purchases 30,913 302 March 31, 2024 December 31, 2023 Accounts receivable 1,540 1,073 Accounts payable 1,580 1,207 Ethanol and Wet Distillers Grains Marketing Arrangement. October 31, 2023, one May 30, 2023, No. 1 October 1, 2023, March 31, 2025. December 31, 2024, one For the three March 31, 2024 2023 ts of $0 .4 under the terms of both the Ethanol Marketing Agreement and the Wet Distillers Grains Marketing Agreement. These marketing costs are presented as part of Selling, General, and Administration expenses. For the three March 31, 2024 2023 For the three March 31, 2023, not Supply Trade Agreement. July 1, 2022, ten 18% one two June 2025. one March 31, 2024 December 31, 2023, As of March 31, 2024, Natural Gas Purchase Agreement. March 31, 2024, 80 April October 2024.

Note 13 - Segment Information

Note 13 - Segment Information	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	13. Segment Information Aemetis recognizes three The “California Ethanol” reportable segment includes the Company’s 65 million gallon per year ethanol plant in Keyes, California, and the adjacent land leased for the production of CO₂. The “California Dairy Renewable Natural Gas” reportable segment includes the production and sale of Renewable Natural Gas ("RNG") and associated environmental attributes, consisting of anaerobic digesters located at diaries, at 36 The “India Biodiesel” reportable segment includes the Company’s 60 million gallon per year nameplate capacity biodiesel manufacturing plant in Kakinada India, and administrative offices in Hyderabad, India. The Company has additional operating segments that have been determined not Summarized financial information by reportable segment for the three March 31, 2024 2023 For the three months ended March 31, 2024 California Ethanol California Dairy Renewable Natural Gas India Biodiesel All Other Total Revenues $ 36,089 $ 3,792 $ 32,753 $ - $ 72,634 Gross profit (loss) (5,658 ) 2,210 2,836 - (612 ) Interest expense including amortization of debt fees 6,753 636 425 2,699 10,513 Accretion and other expenses of Series A preferred units - 3,311 - - 3,311 Income tax expense (benefit) - 35 843 - 878 Capital expenditures 107 2,843 304 329 3,583 Depreciation 966 569 208 55 1,798 For the three months ended March 31, 2023 California Ethanol California Dairy Renewable Natural Gas India Biodiesel All Other Total Revenues $ 475 $ 206 $ 1,470 $ - $ 2,151 Gross loss (12 ) (773 ) (510 ) - (1,295 ) Interest expense including amortization of debt fees 5,518 704 69 2,756 9,047 Accretion and other expenses of Series A preferred units - 5,564 - - 5,564 Capital expenditures 334 6,499 36 747 7,616 Depreciation 1,109 457 155 69 1,790 California Ethanol: 2023, he Company amended the Corn Procurement and Working Capital Agreement and the J.D. Heiskell Purchasing Agreement to procure corn from J.D. Heiskell and sell all ethanol, WDG, and corn oil that the Company produces to J.D. Heiskell. Sales of ethanol, WDG, one three March 31, 2024 . Sales of ethanol, WDG, and corn oil to one customer acc e Company’s California Ethanol segment reven three March 31, 2023 California Dairy Renewable Natural Gas: three March 31, 2024 D3 two three March 31, 2023 India Biodiesel: three March 31, 2024 three March 31, 2024 Total assets by reportable segments as of March 31, 2024 December 31, 2023 March 31, 2024 December 31, 2023 California Ethanol $ 68,403 $ 67,991 California Dairy Renewable Natural Gas 100,242 92,794 India Biodiesel 32,820 34,769 All Other 40,774 47,852 Total consolidated assets $ 242,239 $ 243,406

Note 14 - Related Party Transac

Note 14 - Related Party Transactions	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	14. Related Party Transactions The Company owes Eric McAfee, the Company’s Chairman and CEO, and McAfee Capital LLC (“McAfee Capital”), owned by Eric McAfee, $0.7 million in connection with employment agreements, bonus, and expense reimbursements previously accrued as salaries expense and accrued liabilities. In the first 2023, one March 31, 2024, The Company owes various members of the Board amounts totaling $0.3 March 31, 2024 , and December 31, 2023 , in connection with board compensation fees, which are included in accounts payable on the balance sheet. For the three March 31, 2024 2023 , the Company expensed $0.1 million and $0.1 million, respectively, in connection with board compensation fees.

Note 15 - Subsequent Events

Note 15 - Subsequent Events	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	15. Subsequent Events None.

Note 16 - Liquidity

Note 16 - Liquidity	3 Months Ended
	Mar. 31, 2024
Notes to Financial Statements
Substantial Doubt about Going Concern [Text Block]	16. The accompanying financial statements have been prepared contemplating the realization of assets and satisfaction of liabilities in the normal course of business. As a result of negative capital, negative operating results, and collateralization of substantially all of the Company assets, the Company has been reliant on its senior secured lender to provide extensions to the maturity dates of its debt and loan facilities, and was required in 2023 twelve twelve 2024 Operations and Project Development For the Keyes Plant, we plan to operate the plant and continue to improve its financial performance by adopting new technologies or process changes that allow for energy efficiency, cost reduction, or revenue enhancements, as well as, execute upon awarded grants that support investments in equipment to improve energy and operational efficiencies resulting in lower cost, lower carbon emissions, and overall margin improvement. For Aemetis Biogas, we plan to operate our existing biogas digesters to produce and sell Renewable Natural Gas (RNG) and the associated Federal D3 2023 2024, For the India Plant, we plan to continue to sell our biodiesel to OMCs pursuant to cost-plus contracts. We are also continuing to upgrade the plant to increase feedstock flexibility (and thereby lower feedstock costs), increase production capacity, and produce new products. Additionally, we are in the process of negotiating contractual arrangements for the export of refined animal tallow into international markets. Financing We plan to continue to locate funding for existing and new business opportunities through a combination of working with our senior lender, restructuring existing loan agreements, entering into additional debt agreements for specific projects, obtaining project specific equity and debt for development projects, and obtaining additional debt from the current EB- 5

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
	Mar. 31, 2024
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]	5. Other Information. Current Reports On May 8, 2024, $350
Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false

Significant Accounting Policies

Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2024
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation and Consolidation These consolidated financial statements include the accounts of Aemetis, Inc. and its subsidiaries. We consolidate all entities in which we have a controlling financial interest. A controlling financial interest is usually obtained through ownership of a majority of the voting interests. However, an enterprise must consolidate a variable interest entity (“VIE”) if the enterprise is the primary beneficiary of the VIE, even if the enterprise does not All intercompany balances and transactions have been eliminated in consolidation. The accompanying consolidated condensed balance sheet as of March 31, 2024 three March 31, 2024 2023 three March 31, 2024 2023 three March 31, 2024 2023 December 31, 2023 2023 2023 10 December 31, 2023 In the opinion of Company’s management, the unaudited interim consolidated condensed financial statements as of and for the three March 31, 2024 2023 December 31, 2023 three March 31, 2024 not There have been no 1 10 December 31, 2023.

Note 2 - Revenue (Tables)

Note 2 - Revenue (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Disaggregation of Revenue [Table Text Block]	For the three months ended March 31, 2024 2023 Ethanol sales $ 25,385 $ 368 Wet distiller's grains sales 9,213 - Other sales 1,491 107 Total $ 36,089 $ 475 For the three months ended March 31, 2024 2023 RNG, LCFS and D3 RIN sales $ 3,792 $ 206 For the three months ended March 31, 2024 2023 Biodiesel sales $ 30,992 $ 1,190 Other sales 1,761 280 Total $ 32,753 $ 1,470

Note 3 - Cash and Cash Equiva_2

Note 3 - Cash and Cash Equivalents (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Schedule of Cash and Cash Equivalents [Table Text Block]	As of March 31, 2024 December 31, 2023 Cash and cash equivalents $ 1,629 $ 2,667 Restricted cash included in other current assets 143 289 Restricted cash included in other assets 3,165 3,324 Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 4,937 $ 6,280

Note 4 - Basic and Diluted Ne_2

Note 4 - Basic and Diluted Net Loss Per Share (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	As of March 31, 2024 March 31, 2023 Series B preferred (post split basis) - 127 Common stock options and warrants 7,743 6,125 Debt with conversion feature at $ 30 1,270 1,246 Total number of potentially dilutive shares 9,013 7,498

Note 5 - Inventories (Tables)

Note 5 - Inventories (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Schedule of Inventory, Current [Table Text Block]	As of March 31, 2024 December 31, 2023 Raw materials $ 9,564 $ 9,907 Work-in-progress 1,657 1,682 Finished goods 4,790 6,702 Total inventories $ 16,011 $ 18,291

Note 6 - Property, Plant and _2

Note 6 - Property, Plant and Equipment (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Property, Plant and Equipment [Table Text Block]	As of March 31, 2024 December 31, 2023 Land $ 7,344 $ 7,345 Plant and buildings 136,750 136,318 Furniture and fixtures 2,529 2,266 Machinery and equipment 15,150 14,982 Construction in progress 76,609 73,057 Property held for development 15,431 15,431 Finance lease right of use assets 2,889 2,889 Total gross property, plant & equipment 256,702 252,288 Less accumulated depreciation (58,965 ) (57,180 ) Total net property, plant & equipment $ 197,737 $ 195,108
Depreciation Of Property, Plant, and Equipment [Table Text Block]	Years Plant and buildings 20 - 30 Machinery and equipment 5 - 15 Furniture and fixtures 3 - 5

Note 7 - Debt (Tables)

Note 7 - Debt (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Schedule of Debt [Table Text Block]	March 31, 2024 December 31, 2023 Third Eye Capital term notes $ 7,172 $ 7,159 Third Eye Capital revolving credit facility 23,800 20,922 Third Eye Capital revolving notes Series B 57,694 54,412 Third Eye Capital revenue participation term notes 12,046 12,011 Third Eye Capital acquisition term notes 26,709 26,655 Third Eye Capital Fuels Revolving Line 35,168 32,511 Third Eye Capital Carbon Revolving Line 23,673 23,486 Construction and term loans 43,894 41,024 Cilion shareholder purchase obligation 7,081 7,028 Subordinated notes 17,747 17,625 EB-5 promissory notes 42,439 42,211 Working capital loans 3,954 3,827 Term loans on capital expenditures 5,847 5,850 Total debt 307,224 294,721 Less current portion of debt 72,807 37,028 Total long term debt $ 234,417 $ 257,693
Schedule of Maturities of Long-Term Debt [Table Text Block]	Twelve Months ended March 31, Debt Repayments 2025 $ 72,807 2026 180,279 2027 13,211 2028 4,375 2029 2,085 Thereafter 39,220 Total debt 311,977 Debt issuance costs (4,753 ) Total debt, net of debt issuance costs $ 307,224

Note 8 - Leases (Tables)

Note 8 - Leases (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Lease, Cost [Table Text Block]	Three months ended March 31, 2024 2023 Operating lease cost Operating lease expense $ 181 $ 181 Short term lease expense 21 21 Variable lease expense 32 22 Total operating lease cost $ 234 $ 224 Finance lease cost Amortization of right-of-use assets $ 30 $ 31 Interest on lease liabilities 86 91 Total finance lease cost $ 116 $ 122 Three months ended March 31, 2024 2023 Operating cash flows used in operating leases $ 169 $ 164 Operating cash flows used in finance leases 86 91 Financing cash flows used in finance leases $ 8 $ 83
Supplemental Non-cash Flow Information Related to Leases [Table Text Block]	Three months ended March 31, 2024 2023 Operating leases Accretion of the lease liability $ 74 $ 87 Amortization of right-of-use assets 105 94 The weighted average remaining lease term and weighted average discount rate as of March 31, 2024 are as follows: Weighted Average Remaining Lease Term Operating leases (in years) 4.0 4.9 Finance leases (in years) 12.8 13.7 Weighted Average Discount Rate Operating leases 14.1 % 14.1 % Finance leases 13.3 % 13.2 %
Supplemental Balance Sheet Information Related to Leases [Table Text Block]	March 31, 2024 December 31, 2023 Operating leases Operating lease right-of-use assets $ 1,951 $ 2,056 Other current liability 417 406 Other long term liabilities 1,677 1,783 Total operating lease liabilities 2,094 2,189 Finance leases Property and equipment, at cost $ 2,889 $ 2,889 Accumulated depreciation (258 ) (228 ) Property and equipment, net 2,631 2,661 Other current liability 31 30 Other long term liabilities 2,763 2,687 Total finance lease liabilities 2,794 2,717
Lease Term [Table Text Block]	Twelve months ended March 31, Operating leases Finance leases 2025 $ 678 $ 179 2026 670 159 2027 631 145 2028 650 145 2029 109 145 Thereafter - 10,105 Total lease payments 2,738 10,878 Less imputed interest (644 ) (8,084 ) Total lease liability $ 2,094 $ 2,794
Operating Lease, Lease Income [Table Text Block]	Three months ended March 31, 2024 2023 Lease income $ 491 $ 471
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]	Twelve months ended March 31, 2025 $ 845 2026 825 2027 670 2028 615 2029 613 Thereafter 631 Total future lease commitments $ 4,199

Note 10 - Stock-based Compens_2

Note 10 - Stock-based Compensation (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]	Shares Available for Grant Number of Shares Outstanding Weighted-Average Exercise Price Balance as of December 31, 2023 456 5,526 $ 4.42 Authorized 1,740 - - Options Granted (1,761 ) 1,761 3.10 RSAs Granted (364 ) - - Exercised - (14 ) 2.54 Forfeited/expired 61 (61 ) 6.97 Balance as of March 31, 2024 132 7,212 $ 4.08
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	For the three months ended March 31, Description 2024 2023 Dividend-yield - - Risk-free interest rate 4.08 % 3.82 % Expected volatility 115.42 % 125.32 % Expected life (years) 5.81 7.00 Market value per share on grant date $ 3.10 $ 3.75 Fair value per option on grant date $ 2.65 $ 3.43

Note 11 - Warrants (Tables)

Note 11 - Warrants (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Schedule of Warrants, Valuation Assumptions [Table Text Block]	For the three months ended March 31, Description 2024 2023 Dividend-yield - % - % Risk-free interest rate 4.23 % 4.41 % Expected volatility 101.36 % 125.32 % Expected life (years) 2.00 2.00 Exercise price per share $ 0.01 $ 0.01 Market value per share on grant date $ 5.24 $ 3.96 Fair value per share on grant date $ 5.23 $ 3.95
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]	Warrants Outstanding & Exercisable Weighted - Average Exercise Price Average Remaining Term in Years Outstanding December 31, 2023 530 $ 11.70 5.77 Granted 113 0.01 Exercised (113 ) 0.01 Outstanding March 31, 2024 530 $ 11.70 5.54

Note 12 - Agreements (Tables)

Note 12 - Agreements (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Collaborative Arrangement and Arrangement Other than Collaborative [Table Text Block]	As of and for the three months ended March 31, 2024 2023 Ethanol sales $ 25,385 $ - Wet distiller's grains sales 9,213 - Corn oil sales 1,292 37 CDS sales 21 - Corn purchases 30,913 302 March 31, 2024 December 31, 2023 Accounts receivable 1,540 1,073 Accounts payable 1,580 1,207

Note 13 - Segment Information (

Note 13 - Segment Information (Tables)	3 Months Ended
	Mar. 31, 2024
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	For the three months ended March 31, 2024 California Ethanol California Dairy Renewable Natural Gas India Biodiesel All Other Total Revenues $ 36,089 $ 3,792 $ 32,753 $ - $ 72,634 Gross profit (loss) (5,658 ) 2,210 2,836 - (612 ) Interest expense including amortization of debt fees 6,753 636 425 2,699 10,513 Accretion and other expenses of Series A preferred units - 3,311 - - 3,311 Income tax expense (benefit) - 35 843 - 878 Capital expenditures 107 2,843 304 329 3,583 Depreciation 966 569 208 55 1,798 For the three months ended March 31, 2023 California Ethanol California Dairy Renewable Natural Gas India Biodiesel All Other Total Revenues $ 475 $ 206 $ 1,470 $ - $ 2,151 Gross loss (12 ) (773 ) (510 ) - (1,295 ) Interest expense including amortization of debt fees 5,518 704 69 2,756 9,047 Accretion and other expenses of Series A preferred units - 5,564 - - 5,564 Capital expenditures 334 6,499 36 747 7,616 Depreciation 1,109 457 155 69 1,790
Reconciliation of Assets from Segment to Consolidated [Table Text Block]	March 31, 2024 December 31, 2023 California Ethanol $ 68,403 $ 67,991 California Dairy Renewable Natural Gas 100,242 92,794 India Biodiesel 32,820 34,769 All Other 40,774 47,852 Total consolidated assets $ 242,239 $ 243,406

Note 2 - Revenue - Schedule of

Note 2 - Revenue - Schedule of America By Product Category (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
California Ethanol [Member]
Sales	$ 36,089	$ 475
India Biodiesel [Member]
Sales	32,753	1,470
Alternative Energy, Ethanol [Member] | California Ethanol [Member]
Sales	25,385	368
Gas Molecules and RIN Credits [Member] | California Dairy Renewable Natural Gas [Member]
Sales	3,792	206
Renewable Energy, Biodiesel [Member] | India Biodiesel [Member]
Sales	30,992	1,190
Wet Distillers Grains [Member] | California Ethanol [Member]
Sales	9,213	0
Product and Service, Other [Member] | California Ethanol [Member]
Sales	1,491	107
Product and Service, Other [Member] | India Biodiesel [Member]
Sales	$ 1,761	$ 280

Note 3 - Cash and Cash Equiva_3

Note 3 - Cash and Cash Equivalents - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Cash and cash equivalents	$ 1,629	$ 2,667
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	4,937	6,280
Other Current Assets [Member]
Restricted cash	143	289
Other Assets [Member]
Restricted cash	$ 3,165	$ 3,324

Note 4 - Basic and Diluted Ne_3

Note 4 - Basic and Diluted Net Loss Per Share - Schedule of Dilutive Securities (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Total Number of Potentially Dilutive Shares Excluded from the basic and diluted net loss per share calculation (in shares)	9,013	7,498
Series B Convertible Preferred Stock [Member]
Total Number of Potentially Dilutive Shares Excluded from the basic and diluted net loss per share calculation (in shares)	0	127
Common Stock Options and Warrants [Member]
Total Number of Potentially Dilutive Shares Excluded from the basic and diluted net loss per share calculation (in shares)	7,743	6,125
Debt with Conversion Feature [Member]
Total Number of Potentially Dilutive Shares Excluded from the basic and diluted net loss per share calculation (in shares)	1,270	1,246

Note 4 - Basic and Diluted Ne_4

Note 4 - Basic and Diluted Net Loss Per Share - Schedule of Dilutive Securities (Details) (Parentheticals) - $ / shares	Mar. 31, 2024	Mar. 31, 2023
Debt with Conversion Feature [Member]
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 30	$ 30

Note 5 - Inventories (Details T

Note 5 - Inventories (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Inventory Write-down	$ 109	$ 58

Note 5 - Inventories - Schedule

Note 5 - Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Raw materials	$ 9,564	$ 9,907
Work-in-progress	1,657	1,682
Finished goods	4,790	6,702
Total inventories	$ 16,011	$ 18,291

Note 6 - Property, Plant and _3

Note 6 - Property, Plant and Equipment (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Capitalized Interest Costs, Including Allowance for Funds Used During Construction	$ 1,700	$ 1,800
Depreciation	$ 1,798	$ 1,790

Note 6 - Property, Plant and _4

Note 6 - Property, Plant and Equipment - Schedule of Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Land	$ 7,344	$ 7,345
Plant and buildings	136,750	136,318
Furniture and fixtures	2,529	2,266
Machinery and equipment	15,150	14,982
Construction in progress	76,609	73,057
Property held for development	15,431	15,431
Finance lease right of use assets	2,889	2,889
Total gross property, plant & equipment	256,702	252,288
Less accumulated depreciation	(58,965)	(57,180)
Total net property, plant & equipment	$ 197,737	$ 195,108

Note 6 - Property, Plant and _5

Note 6 - Property, Plant and Equipment - Depreciation of Property, Plant, and Equipment (Details)	Mar. 31, 2024
Minimum [Member] | Building [Member]
Useful life (Year)	20 years
Minimum [Member] | Machinery and Equipment [Member]
Useful life (Year)	5 years
Minimum [Member] | Furniture and Fixtures [Member]
Useful life (Year)	3 years
Maximum [Member] | Building [Member]
Useful life (Year)	30 years
Maximum [Member] | Machinery and Equipment [Member]
Useful life (Year)	15 years
Maximum [Member] | Furniture and Fixtures [Member]
Useful life (Year)	5 years

Note 7 - Debt (Details Textual)

Note 7 - Debt (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands							3 Months Ended		89 Months Ended
	Jul. 28, 2023	May 16, 2023	Jan. 01, 2023	Oct. 04, 2022	Mar. 02, 2022	Jul. 06, 2012	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 25, 2024	Jan. 01, 2024	Dec. 31, 2023	Aug. 01, 2022	Jul. 26, 2022	May 01, 2020	Mar. 06, 2020	Feb. 27, 2019	Jan. 09, 2012	Mar. 04, 2011
Long-Term Debt							$ 307,224		$ 307,224
Short-Term Debt							$ 23,937		$ 23,937			$ 23,443
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)							$ 11.7		$ 11.7			$ 11.7
Warrants and Rights Outstanding, Term (Year)							5 years 6 months 14 days		5 years 6 months 14 days			5 years 9 months 7 days
Proceeds from Issuance of Debt							$ 6,223	$ 11,583
Debt, Long-Term and Short-Term, Combined Amount							307,224		$ 307,224			$ 294,721
Other Long-Term Debt, Noncurrent							54,087		54,087			51,717
AAFK [Member] | Warrants in Connection With Subordinated Notes [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.01															$ 0.01
Warrants and Rights Outstanding, Term (Year)			2 years															2 years
Class of Warrant or Right, Issued (in shares)			113
Capital Revolving Credit Facility Fuels And Carbon Lines [Member] | GAFI and ACCI [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 100,000
Fuels Revolving Line [Member] | GAFI [Member]
Line of Credit Facility, Maximum Borrowing Capacity					50,000
Carbon Revolving Line [Member] | ACCI [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 50,000
Third Eye Capital [Member] | Mr. McAfee [Member]
Net Amount at Risk by Product and Guarantee, Net Amount at Risk							10,000		10,000
Third Eye Capital [Member] | Revolving Credit Facility [Member]
Debt Instrument, Face Amount						$ 18,000
Long-Term Debt							24,800		24,800
Debt Issuance Costs, Net							$ 1,000		$ 1,000
Third Eye Capital [Member] | Revolving Credit Facility [Member] | Prime Rate [Member]
Debt Instrument, Interest Rate, Stated Percentage							22.25%		22.25%
Debt Instrument, Basis Spread on Variable Rate						13.75%
Third Eye Capital [Member] | Acquisition Term Notes [Member]
Debt Instrument, Face Amount						$ 15,000
Third Eye Capital [Member] | Revolving Notes Series B [Member]
Long-Term Debt							$ 58,500		$ 58,500
Debt Issuance Costs, Net							$ 800		$ 800
Third Eye Capital [Member] | Revolving Notes Series B [Member] | Prime Rate [Member]
Debt Instrument, Interest Rate, Stated Percentage							22.25%		22.25%
Debt Instrument, Basis Spread on Variable Rate		13.75%
Term Loan [Member] | Third Eye Capital [Member]
Debt Instrument, Face Amount						7,200
Revenue Participation Term Notes [Member] | Third Eye Capital [Member]
Debt Instrument, Face Amount						$ 10,000
Debt Instrument, Interest Rate, Stated Percentage							5%		5%
Revenue Participation Term Notes [Member] | Third Eye Capital [Member] | AAFK [Member]
Long-Term Debt							$ 12,200		$ 12,200
Debt Issuance Costs, Net							168		168
Amendment No 28 [Member] | Third Eye Capital [Member]
Debt Instrument, Fee Amount										$ 100
Term Notes [Member] | Third Eye Capital [Member]
Long-Term Debt							7,300		7,300
Debt Issuance Costs, Net							$ 104		$ 104
Debt Instrument, Interest Rate, Stated Percentage							14%		14%
Acquisition Term Notes [Member] | Third Eye Capital [Member]
Long-Term Debt							$ 27,000		$ 27,000
Debt Issuance Costs, Net							325		325
Acquisition Term Notes [Member] | Third Eye Capital [Member] | Aemetis Facility Keyes, Inc. [Member]
Debt Instrument, Redemption Fee							$ 7,500		$ 7,500
Acquisition Term Notes [Member] | Third Eye Capital [Member] | Prime Rate [Member]
Debt Instrument, Interest Rate, Stated Percentage							19.25%		19.25%
Debt Instrument, Basis Spread on Variable Rate						10.75%
Reserve Liquidity Facility [Member] | Third Eye Capital [Member]
Debt Instrument, Face Amount																$ 18,000
Long-Term Debt							$ 0		$ 0
Line of Credit Facility, Maximum Borrowing Capacity																$ 85,000
Debt Instrument, Non-refundable Standby Fee, Percent of Difference Between Principal Amount and the Commitment																2%
Dbet Instrument, Non Refundable One Time Fees																$ 500
Reserve Liquidity Facility Paid Monthly in Arrears [Member] | Third Eye Capital [Member]
Debt Instrument, Interest Rate, Stated Percentage																30%
Reserve Liquidity Facility if Event of Default Occurred and Continues [Member] | Third Eye Capital [Member]
Debt Instrument, Interest Rate, Stated Percentage																40%
Fuels Revolving Line [Member] | GAFI [Member]
Debt Issuance Costs, Net							1,800		1,800
Debt Instrument, Interest Rate, Stated Percentage					10%
Short-Term Debt							35,100		35,100
Fuels Revolving Line [Member] | Prime Rate [Member] | GAFI [Member]
Debt Instrument, Basis Spread on Variable Rate					6%
Carbon Revolving Line [Member] | ACCI [Member]
Long-Term Debt							23,400		23,400
Debt Issuance Costs, Net							1,500		1,500
Debt Instrument, Interest Rate, Stated Percentage					8%
Short-Term Debt							300		300
Carbon Revolving Line [Member] | Prime Rate [Member] | ACCI [Member]
Debt Instrument, Basis Spread on Variable Rate					4%
Cilion Shareholder Seller Notes Payable [Member]
Debt Instrument, Face Amount						$ 5,000
Long-Term Debt							7,000		7,000
Debt Instrument, Interest Rate, Stated Percentage						3%
Debt, Long-Term and Short-Term, Combined Amount							7,081		7,081			7,028
Subordinated Notes [Member] | AAFK [Member]
Debt Instrument, Fee Amount											$ 340							$ 3,400
Short-Term Debt							17,700		17,700			17,600
Debt Instrument Fee Rate																		10%
Debt Extension Fee, Percentage																		10%
EB5 Phase I Notes [Member]
Debt Instrument, Face Amount																			$ 500
Long-Term Debt							38,000		38,000			37,900
Debt Instrument, Convertible, Conversion Price (in dollars per share)																	$ 30
Debt Instrument, Amount Released From Escrow							35,500		35,500
Debt Instrument, Amount Remaining Funded to Escrow							500		500
Proceeds from Issuance of Debt									4,000
EB5 Phase I Notes [Member] | Maximum [Member]
Debt Instrument, Additional Investment Available to Issue							200,000		200,000
EB5 Phase I Notes [Member] | Minimum [Member]
Debt Instrument, Investment Raised Per Investor								$ 800							$ 500
EB5 Phase I Funding [Member] | Maximum [Member]
Debt Instrument, Face Amount																			$ 36,000
EB5 Phase II Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount							4,400		4,400			4,300
Secunderabad Oils [Member]
Debt Instrument, Interest Rate, Stated Percentage														18%
Short-Term Debt							4,000		4,000			3,800
Debt Agreement, Maximum Borrowing Capacity														$ 3,600
Leo Edibles & Fats Limited [Member]
Debt Agreement, Maximum Borrowing Capacity													$ 1,270
Construction Loan Agreement [Member]
Long-Term Debt							25,300		25,300			25,100
Debt Instrument, Interest Rate, Stated Percentage				9.25%
Short-Term Debt							43,894		43,894			41,024
Debt Agreement, Maximum Borrowing Capacity				$ 25,000
Construction Loan Agreement [Member] | US Treasury (UST) Interest Rate [Member]
Debt Instrument, Basis Spread on Variable Rate				5%
Construction Loan Agreement 2 [Member]
Long-Term Debt							19,400		19,400			$ 16,800
Debt Issuance Costs, Net							800		800
Debt Instrument, Interest Rate, Stated Percentage	8.75%
Debt Agreement, Maximum Borrowing Capacity	$ 25,000
Construction Loan Agreement 2 [Member] | US Treasury (UST) Interest Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	5%
Financing Agreement For Capital Expenditures [Member]
Debt Instrument, Face Amount							5,700		5,700
Short-Term Debt							2,200		2,200
Other Long-Term Debt, Noncurrent							$ 3,600		$ 3,600

Note 7 - Debt- Schedule of Debt

Note 7 - Debt- Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt, Long-Term and Short-Term, Combined Amount	$ 307,224	$ 294,721
Short-Term Debt	23,937	23,443
Less current portion of debt	72,807	37,028
Total long term debt	234,417	257,693
Third Eye Capital Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	7,172	7,159
Third Eye Capital Revolving Credit Facility [Member]
Debt, Long-Term and Short-Term, Combined Amount	23,800	20,922
Revolving Notes Series B [Member]
Debt, Long-Term and Short-Term, Combined Amount	57,694	54,412
Third Eye Capital Revenue Participation Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	12,046	12,011
Third Eye Capital Acquisition Term Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	26,709	26,655
Third Eye Capital Fuels Revolving Line [Member]
Debt, Long-Term and Short-Term, Combined Amount	35,168	32,511
Third Eye Capital Carbon Revolving Line [Member]
Debt, Long-Term and Short-Term, Combined Amount	23,673	23,486
Construction Loan Agreement [Member]
Short-Term Debt	43,894	41,024
Cilion Shareholder Seller Notes Payable [Member]
Debt, Long-Term and Short-Term, Combined Amount	7,081	7,028
Subordinated Notes 1 [Member]
Short-Term Debt	17,747	17,625
EB-5 Promissory Notes [Member]
Debt, Long-Term and Short-Term, Combined Amount	42,439	42,211
Working capital Loan [Member]
Short-Term Debt	3,954	3,827
Term Loan On Equipment Purchase [Member]
Debt, Long-Term and Short-Term, Combined Amount	$ 5,847	$ 5,850

Note 7 - Debt - Maturities of L

Note 7 - Debt - Maturities of Long-term Debt (Details) $ in Thousands	Mar. 31, 2024 USD ($)
2025	$ 72,807
2026	180,279
2027	13,211
2028	4,375
2029	2,085
Thereafter	39,220
Total debt	311,977
Debt issuance costs	(4,753)
Total debt, net of debt issuance costs	$ 307,224

Note 8 - Leases (Details Textua

Note 8 - Leases (Details Textual)	3 Months Ended
	Mar. 31, 2024
Minimum [Member]
Lease Term (Year)	1 year
Maximum [Member]
Lease Term (Year)	13 years

Note 8 - Leases - Lease Cost (D

Note 8 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating lease expense	$ 181	$ 181
Short term lease expense	21	21
Variable lease expense	32	22
Total operating lease cost	234	224
Amortization of right-of-use assets	30	31
Interest on lease liabilities	86	91
Total finance lease cost	116	122
Operating cash flows used in operating leases	169	164
Operating cash flows used in finance leases	86	91
Financing cash flows used in finance leases	$ 8	$ 83

Note 8 - Leases - Non-cash Flow

Note 8 - Leases - Non-cash Flow Information Related to ROU Asset and Lease Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accretion of the lease liability	$ 74	$ 87
Amortization of right-of-use assets	$ 105	$ 94
Operating leases (in years) (Year)	4 years	4 years 10 months 24 days
Finance leases (in years) (Year)	12 years 9 months 18 days	13 years 8 months 12 days
Operating leases	14.10%	14.10%
Finance leases	13.30%	13.20%

Note 8 - Leases - Supplemental

Note 8 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Operating lease right-of-use assets	$ 1,951	$ 2,056
Total operating lease liabilities	2,094	2,189
Total finance lease liabilities	2,794	2,717
Other Current Liabilities [Member]
Other current liability	417	406
Other current liability	31	30
Other Noncurrent Liabilities [Member]
Other long term liabilities	1,677	1,783
Other long term liabilities	2,763	2,687
Property, Plant and Equipment [Member]
Property and equipment, at cost	2,889	2,889
Accumulated depreciation	(258)	(228)
Property and equipment, net	$ 2,631	$ 2,661

Note 8 - Leases - Maturities of

Note 8 - Leases - Maturities of Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
2025, Operating leases	$ 678
2025, Finance leases	179
2026, Operating leases	670
2026, Finance leases	159
2027, Operating leases	631
2027, Finance leases	145
2028, Operating leases	650
2028, Finance leases	145
2029, Operating leases	109
2029, Finance leases	145
Thereafter, Operating leases	0
Thereafter, Finance leases	10,105
Total lease payments, Operating leases	2,738
Total lease payments, Finance leases	10,878
Less imputed interest, Operating leases	(644)
Less imputed interest, Finance leases	(8,084)
Total operating lease liability	2,094	$ 2,189
Total finance lease liability	$ 2,794	$ 2,717

Note 8 - Leases - Lease Income

Note 8 - Leases - Lease Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lease income	$ 491	$ 471

Note 8 - Leases - Future Minimu

Note 8 - Leases - Future Minimum Lease Payments (Details) $ in Thousands	Mar. 31, 2024 USD ($)
2025	$ 845
2026	825
2027	670
2028	615
2029	613
Thereafter	631
Total future lease commitments	$ 4,199

Note 9 - Aemetis Biogas LLC -_2

Note 9 - Aemetis Biogas LLC - Series A Preferred Financing (Details Textual) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended	44 Months Ended
	Feb. 08, 2024	Dec. 20, 2018	Dec. 31, 2022	Aug. 08, 2022	Mar. 31, 2024	Dec. 31, 2023
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent					$ 116.9	$ 113.2
Common Units [Member]
Proceeds from Issuance of Common Units		$ 30
Common Stock, Capital Shares Reserved for Future Issuance (in shares)		5,000,000
Preferred Units Series A [Member]
Common Units Authorized (in shares)		11,000,000
Preferred Units, Authorized (in shares)		6,000,000
Preferred Units Series A [Member] | Second Tranche [Member
Preferred Units, Issued (in shares)			6,000,000
Preferred Units Issued Value			$ 30
Stock Redeemed or Called During Period, Shares (in shares)				20,000
Preferred Units Redeemed, Value				$ 0.3
Series A Preferred Stocks [Member]
Common Units Issued (in shares)		6,000,000
Common Units Issuance Value (in dollars per share)		$ 5
PUPA Fifth Amendment [Member]
Preferred Units Issued Value	$ 111
Credit Agreement, Interest Rate	16%
PUPA Fifth Amendment [Member] | Prime Rate [Member]
Credit Agreement, Interest Rate	10%

Note 10 - Stock-based Compens_3

Note 10 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended
	Aug. 26, 2021	Apr. 25, 2019	Mar. 31, 2024	Mar. 31, 2023	Jul. 01, 2021	Mar. 31, 2016
The 2019 Stock Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)		10 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)					4,558,621
Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage Increase in Shares Available for Issuance Based on Common stock Outstanding	4%
Share-Based Compensation Arrangement by Share-Based Payment Award, Measurement Input, Shares (in shares)	2,541,823
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)			4,300,000
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount			$ 9.9
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 10 months 24 days
The 2019 Stock Plan [Member] | Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			363,500	243,850
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)			$ 3.1	$ 3.75
Inducement Equity Plan Options [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)						100,000

Note 10 - Stock-based Compens_4

Note 10 - Stock-based Compensation - Schedule of Share-based Payment Award (Details) - The 2019 Stock Plan [Member] - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Balance, Shares Available for Grant (in shares)	456,000
Balance, outstanding (in shares)	5,526,000
Balance, Weighted-Average Exercise Price (in dollars per share)	$ 4.42
Authorized, shares (in shares)	1,740,000
Options Granted, shares (in shares)	(1,761,000)
Options Granted, shares (in shares)	1,761,000
Options Granted, Weighted-Average Exercise Price (in dollars per share)	$ 3.1
Exercised, outstanding (in shares)	(14,000)
Exercised, Weighted-Average Exercise Price (in dollars per share)	$ 2.54
Forfeited/expired, shares available (in shares)	61,000
Forfeited/expired, outstanding (in shares)	(61,000)
Forfeited/expired, Weighted-Average Exercise Price (in dollars per share)	$ 6.97
Balance, Shares Available for Grant (in shares)	132,000
Balance, outstanding (in shares)	7,212,000
Balance, Weighted-Average Exercise Price (in dollars per share)	$ 4.08
Restricted Stock [Member]
RSAs Granted, shares (in shares)	(363,500)	(243,850)

Note 10 - Stock-based Compens_5

Note 10 - Stock-based Compensation - Fair Value Assumptions (Details) - The 2019 Stock Plan [Member] - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Dividend-yield	0%	0%
Risk-free interest rate	4.08%	3.82%
Expected volatility	115.42%	125.32%
Expected life (years) (Year)	5 years 9 months 21 days	7 years
Market value per share on grant date (in dollars per share)	$ 3.1	$ 3.75
Fair value per option on grant date (in dollars per share)	$ 2.65	$ 3.43

Note 11 - Warrants (Details Tex

Note 11 - Warrants (Details Textual) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 11.7	$ 11.7
Warrants and Rights Outstanding, Term (Year)	5 years 6 months 14 days	5 years 9 months 7 days
Warrants to Purchase Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	113,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.01
Warrants and Rights Outstanding, Term (Year)	2 years

Note 11 - Warrants - Fair Value

Note 11 - Warrants - Fair Value Assumptions (Details)	Mar. 31, 2024 $ / shares yr	Mar. 31, 2023 $ / shares yr
Measurement Input, Expected Dividend Rate [Member]
Warrants and Rights Outstanding, Measurement Input	0	0
Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input	0.0423	0.0441
Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	1.0136	1.2532
Measurement Input, Expected Term [Member]
Warrants and Rights Outstanding, Measurement Input | yr	2	2
Measurement Input, Exercise Price [Member]
Warrants and Rights Outstanding, Measurement Input	0.01	0.01
Measurement Input, Share Price [Member]
Warrants and Rights Outstanding, Measurement Input	5.24	3.96
Fair Value per Warrant on Grant Date [Member]
Warrants and Rights Outstanding, Measurement Input	5.23	3.95

Note 11 - Warrants - Schedule o

Note 11 - Warrants - Schedule of Warrants or Rights (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Outstanding, warrants (in shares)	530
Outstanding, Weighted - Average Exercise Price (in dollars per share)	$ 11.7
Outstanding, Average Remaining Term in Years (Year)	5 years 6 months 14 days	5 years 9 months 7 days
Granted, warrants (in shares)	113
Granted, Weighted - Average Exercise Price (in dollars per share)	$ 0.01
Exercised, warrants (in shares)	(113)
Exercised, Weighted - Average Exercise Price (in dollars per share)	$ 0.01
Outstanding, warrants (in shares)	530
Outstanding, Weighted - Average Exercise Price (in dollars per share)	$ 11.7

Note 12 - Agreements (Details T

Note 12 - Agreements (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Jul. 01, 2022
Marketing Expense	$ 200	$ 400
Shipping and Handling Costs	700	700
Oil and Gas, Result of Operation, Transportation Cost	1,400	$ 1,400
Forward Sales Commitments [Member]
Other Commitment	0
Operating Agreement with Gemini Edibles and Fats India Private Limited [Member]
Debt Agreement, Maximum Borrowing Capacity				$ 12,700
Debt Instrument, Interest Rate, Stated Percentage				18%
Accounts Payable	$ 4,300		$ 7,500

Note 12 - Agreements - Schedule

Note 12 - Agreements - Schedule of Working Capital Agreement Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Revenues	$ 72,634	$ 2,151
Accounts payable	29,789		$ 32,132
J.D. Heiskell [Member]
Accounts receivable	1,540		1,073
Accounts payable	1,580		$ 1,207
Ethanol Sales [Member] | J.D. Heiskell [Member]
Revenues	25,385	0
Wet Distiller's Grains Sales [Member] | J.D. Heiskell [Member]
Revenues	9,213	0
Corn Oil Sales [Member] | J.D. Heiskell [Member]
Revenues	1,292	37
CDS Sales [Member] | J.D. Heiskell [Member]
Revenues	21	0
Corn Purchases [Member] | J.D. Heiskell [Member]
Corn purchases	$ 30,913	$ 302

Note 13 - Segment Information_2

Note 13 - Segment Information (Details Textual) gal in Millions	3 Months Ended
	Mar. 31, 2024 gal	Mar. 31, 2023
Number of Reportable Segments	3
California Ethanol [Member]
GallonPerYear (Gallon)	65
California Ethanol [Member] | Customer Concentration Risk [Member] | Revenue, Segment Benchmark [Member] | Ethanol Sales, Wet Distillers Grain and Corn Oil Sales [Member]
Number of Major Customers	1	1
California Ethanol [Member] | Customer Concentration Risk [Member] | Revenue, Segment Benchmark [Member] | Ethanol Sales, Wet Distillers Grain and Corn Oil Sales [Member] | Customer One [Member]
Concentration Risk, Percentage	99.70%	77%
India Biodiesel [Member]
GallonPerYear (Gallon)	60
India Biodiesel [Member] | Customer Concentration Risk [Member] | Revenue, Segment Benchmark [Member] | Biodiesel Sales [Member] | Customer One [Member]
Concentration Risk, Percentage	40%	80%
India Biodiesel [Member] | Customer Concentration Risk [Member] | Revenue, Segment Benchmark [Member] | Biodiesel Sales [Member] | Customer Two [Member]
Concentration Risk, Percentage	38%
India Biodiesel [Member] | Customer Concentration Risk [Member] | Revenue, Segment Benchmark [Member] | Biodiesel Sales [Member] | Customer Three [Member]
Concentration Risk, Percentage	16%

Note 13 - Segment Information -

Note 13 - Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues	$ 72,634	$ 2,151
Gross profit (loss)	(612)	(1,295)
Interest expense including amortization of debt fees	10,513	9,047
Accretion and other expenses of Series A preferred units	3,311	5,564
Income tax expense (benefit)	878	(248)
Capital expenditures	3,583	7,616
Depreciation	1,798	1,790
California Ethanol [Member]
Revenues	36,089	475
Gross profit (loss)	(5,658)	(12)
Interest expense including amortization of debt fees	6,753	5,518
Accretion and other expenses of Series A preferred units	0	0
Income tax expense (benefit)	0
Capital expenditures	107	334
Depreciation	966	1,109
California Dairy Renewable Natural Gas [Member]
Revenues	3,792	206
Gross profit (loss)	2,210	(773)
Interest expense including amortization of debt fees	636	704
Accretion and other expenses of Series A preferred units	3,311	5,564
Income tax expense (benefit)	35
Capital expenditures	2,843	6,499
Depreciation	569	457
India Biodiesel [Member]
Revenues	32,753	1,470
Gross profit (loss)	2,836	(510)
Interest expense including amortization of debt fees	425	69
Accretion and other expenses of Series A preferred units	0	0
Income tax expense (benefit)	843
Capital expenditures	304	36
Depreciation	208	155
Other Operating Segment [Member]
Revenues	0	0
Gross profit (loss)	0	0
Interest expense including amortization of debt fees	2,699	2,756
Accretion and other expenses of Series A preferred units	0	0
Income tax expense (benefit)	0
Capital expenditures	329	747
Depreciation	$ 55	$ 69

Note 13 - Segment Information_3

Note 13 - Segment Information - Reconciliation of Assets from Segments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets	$ 242,239	$ 243,406
California Ethanol [Member]
Assets	68,403	67,991
California Dairy Renewable Natural Gas [Member]
Assets	100,242	92,794
India Biodiesel [Member]
Assets	32,820	34,769
Other Operating Segment [Member]
Assets	$ 40,774	$ 47,852

Note 14 - Related Party Trans_2

Note 14 - Related Party Transactions (Details Textual) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Mr. McAfee [Member]
Accrued Liabilities, Current	$ 0.2
Various Board Members [Member]
Share-Based Payment Arrangement, Expense	0.1	$ 0.1
Employment Agreements and Expense Reimbursements [Member] | Mr. McAfee [Member]
Related Party Transaction, Amounts of Transaction		0.7
Share-Based Payment Arrangement, Expense		$ 0.4
Board Compensation Fees [Member] | Various Board Members [Member]
Related Party Transaction, Amounts of Transaction	$ 0.3		$ 0.3