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Note 11 - Segment Information | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | 11. Segment Information Aemetis recognizes three reportable segments “California Ethanol,” “California Dairy Renewable Natural Gas,” and “India Biodiesel.” 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 including the production and sale of Renewable Natural Gas and associated environmental attributes, consisting of anaerobic digesters located at diaries, at 36 mile biogas collection pipeline, and biogas upgrading hub and pipeline interconnect that produces Renewable Natural Gas from the biogas. 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 were determined not to be reportable segments, including our key projects under development which consists of sustainable aviation fuel and renewable diesel production in Riverbank and Carbon Capture and Underground Sequestration wells in California. Additionally, our corporate offices, Goodland Plant in Kansas, and the research and development facility in Minnesota are included in the “All Other” category. Summarized financial information by reportable segment for the years ended December 31, 2023 and 2022 follow:
|  | For the year ended December 31, 2023 |
|  | California Ethanol |  |  | California Dairy Renewable Natural Gas |  |  | India Biodiesel |  |  | All other |  |  | Total |
Revenues from external customers |  | $ | 104,068 |  |  | $ | 5,455 |  |  | $ | 77,194 |  |  | $ | - |  |  | $ | 186,717 |
Intersegment revenues |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Gross profit (loss) |  |  | (6,602 | ) |  |  | (331 | ) |  |  | 8,950 |  |  |  | - |  |  |  | 2,017 |
Interest expense, including amortization of debt fees |  |  | 25,258 |  |  |  | 2,809 |  |  |  | 447 |  |  |  | 11,005 |  |  |  | 39,519 |
Accretion and other expenses of Series A preferred units |  |  | - |  |  |  | 25,313 |  |  |  | - |  |  |  | - |  |  |  | 25,313 |
Loss on |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  | - |  |  |  | (55,159 | ) |  |  | 1,416 |  |  |  | 7 |  |  |  | (53,736 | )
Capital expenditures |  |  | 5,695 |  |  |  | 24,744 |  |  |  | 1,281 |  |  |  | 1,399 |  |  |  | 33,119 |
Depreciation |  |  | 3,995 |  |  |  | 2,116 |  |  |  | 576 |  |  |  | 246 |  |  |  | 6,933 |
Total Assets |  |  | 67,991 |  |  |  | 92,794 |  |  |  | 34,769 |  |  |  | 47,852 |  |  |  | 243,406 |
|  | For the year ended December 31, 2022 |
|  | California Ethanol |  |  | California Dairy Renewable Natural Gas |  |  | India Biodiesel |  |  | All other |  |  | Total |
Revenues from external customers |  | $ | 228,194 |  |  | $ | 208 |  |  | $ | 28,111 |  |  | $ | - |  |  | $ | 256,513 |
Intersegment revenues |  |  | - |  |  |  | 1,002 |  |  |  | - |  |  |  | - |  |  |  | 1,002 |
Gross profit (loss) |  |  | (13,017 | ) |  |  | (778 | ) |  |  | 8,273 |  |  |  | (13 | ) |  |  | (5,535 | )
Interest expense, including amortization of debt fees |  |  | 20,637 |  |  |  | 742 |  |  |  | 119 |  |  |  | 7,272 |  |  |  | 28,770 |
Accretion and other expenses of Series A preferred units |  |  | - |  |  |  | 9,888 |  |  |  | - |  |  |  | - |  |  |  | 9,888 |
Income tax expense |  |  | - |  |  |  | 6 |  |  |  | 1,040 |  |  |  | 7 |  |  |  | 1,053 |
Loss on debt extinguishment |  |  | - |  |  |  | 49,386 |  |  |  | - |  |  |  | - |  |  |  | 49,386 |
Capital expenditures |  |  | 8,399 |  |  |  | 22,884 |  |  |  | 129 |  |  |  | 7,745 |  |  |  | 39,157 |
Depreciation |  |  | 4,148 |  |  |  | 615 |  |  |  | 650 |  |  |  | 122 |  |  |  | 5,535 |
Total Assets |  |  | 66,794 |  |  |  | 77,714 |  |  |  | 16,120 |  |  |  | 46,486 |  |  |  | 207,114 |
A reconciliation of reportable segment revenues to consolidated totals for the years 2023 and 2022 follow:
Revenues |  |  |  |  |  |  |  |
|  | 2023 |  |  | 2022 |
Total revenues for reportable segments |  | $ | 186,717 |  |  | $ | 257,515 |
Elimination of intersegment revenues |  |  | - |  |  |  | (1,002 | )
Total consolidated revenues |  | $ | 186,717 |  |  | $ | 256,513 |
California Ethanol: During the year ended December 31, 2023 and 2022, the 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, CDO, and CDS the Company produces to J.D. Heiskell. Sales of ethanol, WDG, CDO, and CDS to one customer accounted for 100% of the California Ethanol segment’s revenue for the year ended December 31, 2023. Sales of ethanol to one customer accounted for 73% of the California Ethanol segment’s revenue for the year ended December 31, 2022. Sales of WDG, and corn oil to one customer accounted for 26% of the Company’s California Ethanol segment revenues for the year ended December 31, 2022. California Dairy Renewable Natural Gas: 100% of our sales of renewable natural gas during the twelve months ended December 31, 2023 were from sales to one customer. In the third quarter of 2023, we started selling D3 RINs and one customer accounted for 98% of the 2023 sales. For the twelve months ended December 31, 2022, all sales were associated with intercompany sales to the Keyes Plant for use in boilers. India Biodiesel: During the year ended December 31, 2023, three biodiesel customers accounted for 47%, 25% and 23% of the Company’s India Biodiesel segment revenues. During the year ended December 31, 2022, three biodiesel customers accounted for 48%, 29%, 12% of the Company’s India Biodiesel segment revenues.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//280/tableOfContent Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 26 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-26 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-34 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-21 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 + Details
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