| Schedule of Debt [Table Text Block] |
| | | June 30, 2025 | | | December 31, 2024 | |
| Third Eye Capital term notes | | $ | 7,258 | | | $ | 7,212 | |
| Third Eye Capital revenue participation term notes | | | 12,188 | | | | 12,110 | |
| Third Eye Capital revolving credit facility | | | 30,449 | | | | 31,434 | |
| Third Eye Capital revolving notes Series B | | | 76,257 | | | | 68,476 | |
| Third Eye Capital acquisition term notes | | | 26,900 | | | | 26,788 | |
| Third Eye Capital Fuels Revolving Line | | | 44,936 | | | | 41,286 | |
| Third Eye Capital Carbon Revolving Line | | | 27,683 | | | | 26,302 | |
| Third Eye Capital short term promissory note | | | - | | | | 2,006 | |
| Biogas construction and term loans | | | 48,436 | | | | 48,235 | |
| Cilion purchase obligation | | | 7,351 | | | | 7,242 | |
| Subordinated notes | | | 20,013 | | | | 19,391 | |
| EB-5 promissory notes | | | 39,212 | | | | 41,615 | |
| Working capital loans | | | 2,892 | | | | 5,102 | |
| Term loans on capital expenditures | | | 657 | | | | 862 | |
| Total debt | | | 344,232 | | | | 338,061 | |
| Less current portion of debt | | | 270,610 | | | | 90,534 | |
| Total long term debt | | $ | 73,622 | | | $ | 247,527 | |
|
| Schedule of Maturities of Long-Term Debt [Table Text Block] |
| Twelve Months ended June 30, | | Debt Repayments | |
| 2026 | | $ | 270,610 | |
| 2027 | | | 23,412 | |
| 2028 | | | 4,447 | |
| 2029 | | | 2,174 | |
| 2030 | | | 1,450 | |
| Thereafter | | | 42,900 | |
| Total debt | | | 344,993 | |
| Debt issuance costs | | | (761 | ) |
| Total debt, net of debt issuance costs | | $ | 344,232 | |
|