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Note 13 - Segment Information | 12 Months Ended
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Dec. 31, 2024
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | 13. 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 includes the production and sale of Renewable Natural Gas and associated environmental attributes. It consists of anaerobic digesters located at dairies, a 36 mile biogas collection pipeline, a biogas upgrading hub that produces Renewable Natural Gas from biogas, and a pipeline interconnect. The “India Biodiesel” reportable segment includes the Company’s 80 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, Riverbank Industrial Complex management, and our research and development facility in Minnesota are included in the “All Other” category. For all segments, our Chief Executive Officer is the Chief Operating Decision Maker ("CODM"). The CODM uses EBITDA to assess segment performance, which is derived from revenue less cost of goods sold and selling, general and administrative expenses. The CODM manages and allocates resources to the operations of each segment. This enables the CEO to assess the Company’s overall level of available resources and determine how best to deploy these resources for capital expenditures and other strategic opportunities that are in line with our long-term strategic goals. The CODM is regularly provided with consolidated revenues and expense information or forecasted expense information for the applicable reportable segments. The CODM does not review total assets by segment for purposes of assessing segment performance and these are not included in the tables below. The CODM assesses segment operation levels and allocates operating expenses accordingly to each segment, as indicated in the totals below. The following tables summarize financial information by reportable segment for the years ended December 31, 2024 and 2023:
|  | For the year ended December 31, 2024 |
|  | California Ethanol |  |  | California Dairy Renewable Natural Gas |  |  | India Biodiesel |  |  | All other |  |  | Total |
Revenues from external customers |  | $ | 161,756 |  |  | $ | 13,037 |  |  | $ | 92,847 |  |  | $ | - |  |  | $ | 267,640 |
Gross profit (loss) |  |  | (13,792 | ) |  |  | 5,395 |  |  |  | 7,817 |  |  |  | - |  |  |  | (580 | )
Net Income (Loss) |  |  | (50,874 | ) |  |  | (9,101 | ) |  |  | 4,348 |  |  |  | (31,910 | ) |  |  | (87,537 | )
Interest expense including amortization of debt fees |  |  | 31,159 |  |  |  | 3,045 |  |  |  | 1,108 |  |  |  | 11,309 |  |  |  | 46,621 |
Accretion and other expenses of Series A preferred units |  |  | - |  |  |  | 12,698 |  |  |  | - |  |  |  | - |  |  |  | 12,698 |
Income tax expense (benefit) |  |  | (4,150 | ) |  |  | (8,115 | ) |  |  | 1,426 |  |  |  | 7 |  |  |  | (10,832 | )
Depreciation |  |  | 4,211 |  |  |  | 3,079 |  |  |  | 818 |  |  |  | 233 |  |  |  | 8,341 |
Gain on extinguishment of debt |  |  | (162 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (162 | )
Loss on asset disposals |  |  | 3,702 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3,702 |
Stock-based compensation expense |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 8,314 |  |  |  | 8,314 |
Other amortization |  |  | 46 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 46 |
EBITDA |  |  | (16,068 | ) |  |  | 1,606 |  |  |  | 7,700 |  |  |  | (12,047 | ) |  |  | (18,809 | )
Capital expenditures |  |  | 1,399 |  |  |  | 15,376 |  |  |  | 1,506 |  |  |  | 1,973 |  |  |  | 20,254 |
Total assets |  |  | 57,076 |  |  |  | 126,113 |  |  |  | 37,587 |  |  |  | 38,526 |  |  |  | 259,302 |
|  | 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 |
Gross profit (loss) |  |  | (6,602 | ) |  |  | (331 | ) |  |  | 8,950 |  |  |  | - |  |  |  | 2,017 |
Net Loss |  |  | (42,433 | ) |  |  | 20,822 |  |  |  | 5,619 |  |  |  | (30,428 | ) |  |  | (46,420 | )
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 |
Income tax expense (benefit) |  |  | - |  |  |  | (55,159 | ) |  |  | 1,416 |  |  |  | 7 |  |  |  | (53,736 | )
Depreciation |  |  | 3,995 |  |  |  | 2,116 |  |  |  | 576 |  |  |  | 246 |  |  |  | 6,933 |
Stock-based compensation expense |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 7,660 |  |  |  | 7,660 |
Other amortization |  |  | 72 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 72 |
USDA Cash Grants |  |  | (1,774 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (1,774 | )
EBITDA |  |  | (14,882 | ) |  |  | (4,099 | ) |  |  | 8,058 |  |  |  | (11,510 | ) |  |  | (22,433 | )
Capital expenditures |  |  | 5,695 |  |  |  | 24,744 |  |  |  | 1,281 |  |  |  | 1,399 |  |  |  | 33,119 |
Total assets |  |  | 67,991 |  |  |  | 92,794 |  |  |  | 34,769 |  |  |  | 47,852 |  |  |  | 243,406 |
California Ethanol: Sales of ethanol, WDG, and corn oil to one customer (J.D. Heiskell) accounted for 98% and 100% of the Company’s California Ethanol segment revenues for the years ended December 31, 2024 and 2023, respectively. California Dairy Renewable Natural Gas: Sales of renewable natural gas during the years ended December 31, 2024 and 2023, were from sales to a single customer. We sold D3 RINs and LCFS credits to two other customers. India Biodiesel: During the year ended December 31, 2024, three biodiesel customers accounted for 40%, 32% and 21% of the Company’s India Biodiesel segment revenues. During the year ended December 31, 2023, three biodiesel customers accounted for 47%, 25%, 23% 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/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards 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