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Note 5 - Debt (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | September 30, 2025 |  |  | December 31, 2024 |
Third Eye Capital term notes |  | $ | 7,274 |  |  | $ | 7,212 |
Third Eye Capital revenue participation term notes |  |  | 12,216 |  |  |  | 12,110 |
Third Eye Capital revolving credit facility |  |  | 33,246 |  |  |  | 31,434 |
Third Eye Capital revolving notes Series B |  |  | 81,129 |  |  |  | 68,476 |
Third Eye Capital acquisition term notes |  |  | 26,961 |  |  |  | 26,788 |
Third Eye Capital Fuels Revolving Line |  |  | 47,060 |  |  |  | 41,286 |
Third Eye Capital Carbon Revolving Line |  |  | 28,727 |  |  |  | 26,302 |
Third Eye Capital short term promissory note |  |  | - |  |  |  | 2,006 |
Biogas construction and term loans |  |  | 48,961 |  |  |  | 48,235 |
Cilion purchase obligation |  |  | 7,407 |  |  |  | 7,242 |
Subordinated notes |  |  | 20,609 |  |  |  | 19,391 |
EB-5 promissory notes |  |  | 39,297 |  |  |  | 41,615 |
Working capital loans |  |  | - |  |  |  | 5,102 |
Term loans on capital expenditures |  |  | 565 |  |  |  | 862 |
Equipment financing |  |  | 51 |  |  |  | - |
Total debt |  |  | 353,503 |  |  |  | 338,061 |
Less current portion of debt |  |  | 286,715 |  |  |  | 90,534 |
Total long term debt |  | $ | 66,788 |  |  | $ | 247,527 |
Schedule of Maturities of Long-Term Debt [Table Text Block] |
Twelve Months ended September 30, |  | Debt Repayments |
2026 |  | $ | 286,715 |
2027 |  |  | 20,010 |
2028 |  |  | 1,524 |
2029 |  |  | 1,405 |
2030 |  |  | 1,535 |
Thereafter |  |  | 43,076 |
Total debt |  |  | 354,265 |
Debt issuance costs |  |  | (762 | )
Total debt, net of debt issuance costs |  | $ | 353,503 |

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