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Note 7 - Revenue and Accounts Receivable (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | For the three months ended September 30, |  |  | For the nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Ethanol sales |  | $ | 31,252 |  |  | $ | 33,925 |  |  | $ | 87,035 |  |  | $ | 88,748 |
Wet distiller's grains sales |  |  | 7,305 |  |  |  | 8,961 |  |  |  | 23,133 |  |  |  | 27,476 |
Other sales |  |  | 2,169 |  |  |  | 2,048 |  |  |  | 5,594 |  |  |  | 4,931 |
Total |  | $ | 40,726 |  |  | $ | 44,934 |  |  | $ | 115,762 |  |  | $ | 121,155 |
|  | For the three months ended September 30, |  |  | For the nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Gas sales |  | $ | 393 |  |  | $ | 238 |  |  | $ | 944 |  |  | $ | 676 |
LCFS credit sales |  |  | 1,187 |  |  |  | 860 |  |  |  | 3,120 |  |  |  | 2,371 |
RIN sales |  |  | 2,416 |  |  |  | 3,152 |  |  |  | 5,426 |  |  |  | 6,593 |
Total |  | $ | 3,996 |  |  | $ | 4,250 |  |  | $ | 9,490 |  |  | $ | 9,640 |
Schedule of America by Product Category [Table Text Block] |
|  | For the three months ended September 30, |  |  | For the nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Biodiesel sales |  | $ | 13,948 |  |  | $ | 31,121 |  |  | $ | 23,489 |  |  | $ | 85,821 |
Other sales |  |  | 520 |  |  |  | 1,136 |  |  |  | 5,578 |  |  |  | 4,020 |
Total |  | $ | 14,468 |  |  | $ | 32,257 |  |  | $ | 29,067 |  |  | $ | 89,841 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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