| Segment Reporting [Table Text Block] |
| | For the three months ended June 30, 2026 | |
| | California Ethanol | | | California Dairy Renewable Natural Gas | | | India Biodiesel | | | All Other | | | Total | |
| | | | | | | | | | | | | | | | | | | | |
Revenues | | $ | 52,865 | | | $ | 7,325 | | | $ | 2,510 | | | $ | - | | | $ | 62,700 | |
Gross profit | | | 8,859 | | | | 3,989 | | | | 667 | | | | - | | | | 13,515 | |
| | | | | | | | | | | | | | | | | | | | |
Net income (loss) | | | (1,500 | ) | | | (190 | ) | | | 42 | | | | (7,719 | ) | | | (9,367 | ) |
Interest and debt amortization expense | | | 8,856 | | | | 1,134 | | | | - | | | | 3,675 | | | | 13,665 | |
Depreciation and amortization | | | 1,073 | | | | 1,216 | | | | 184 | | | | 72 | | | | 2,545 | |
Accretion and other expenses of Series A preferred units | | | - | | | | 1,509 | | | | - | | | | - | | | | 1,509 | |
Bad debt expense | | | - | | | | - | | | | - | | | | 87 | | | | 87 | |
Loss on sale/disposal of assets | | | - | | | | 20 | | | | 86 | | | | - | | | | 106 | |
Stock-based compensation expense | | | - | | | | - | | | | - | | | | 1,121 | | | | 1,121 | |
EBITDA | | $ | 8,429 | | | $ | 3,689 | | | $ | 312 | | | $ | (2,764 | ) | | $ | 9,666 | |
| | | | | | | | | | | | | | | | | | | | |
Capital expenditures | | $ | 5,519 | | | $ | 2,591 | | | $ | 99 | | | $ | 325 | | | $ | 8,535 | |
Total assets as of June 30, 2026 | | $ | 83,929 | | | $ | 129,528 | | | $ | 22,257 | | | $ | 53,465 | | | $ | 289,179 | |
Allocation of corporate overhead expense to segments | | $ | 2,968 | | | $ | 3,340 | | | $ | 371 | | | $ | (6,679 | ) | | $ | - | |
| | For the three months ended June 30, 2025 | |
| | California Ethanol | | | California Dairy Renewable Natural Gas | | | India Biodiesel | | | All Other | | | Total | |
| | | | | | | | | | | | | | | | | | | | |
Revenues | | $ | 37,288 | | | $ | 3,051 | | | $ | 11,904 | | | $ | - | | | $ | 52,243 | |
Gross profit (loss) | | | (3,806 | ) | | | 855 | | | | (404 | ) | | | - | | | | (3,355 | ) |
| | | | | | | | | | | | | | | | | | | - | |
Net loss | | | (12,611 | ) | | | (3,533 | ) | | | (586 | ) | | | (6,665 | ) | | | (23,395 | ) |
Interest expense including amortization of debt fees | | | 8,001 | | | | 939 | | | | 291 | | | | 3,099 | | | | 12,330 | |
Accretion and other expenses of Series A preferred units | | | - | | | | 2,032 | | | | - | | | | - | | | | 2,032 | |
Income tax expense (benefit) | | | 1 | | | | - | | | | (530 | ) | | | - | | | | (529 | ) |
Depreciation | | | 1,075 | | | | 1,012 | | | | 198 | | | | 65 | | | | 2,350 | |
Stock-based compensation expense | | | - | | | | - | | | | - | | | | 1,433 | | | | 1,433 | |
Other amortization | | | 11 | | | | - | | | | - | | | | - | | | | 11 | |
EBITDA | | $ | (3,523 | ) | | $ | 450 | | | $ | (627 | ) | | $ | (2,068 | ) | | $ | (5,768 | ) |
| | | | | | | | | | | | | | | | | | | | |
Capital expenditures | | $ | 339 | | | $ | 2,836 | | | $ | 60 | | | $ | 290 | | | $ | 3,525 | |
Total assets as of June 30, 2025 | | $ | 53,230 | | | $ | 124,099 | | | $ | 25,462 | | | $ | 37,225 | | | $ | 240,016 | |
Allocation of corporate overhead expense to segments | | $ | 1,945 | | | $ | 3,241 | | | $ | 648 | | | $ | (5,834 | ) | | $ | - | |
| | For the six months ended June 30, 2026 | |
| | California Ethanol | | | California Dairy Renewable Natural Gas | | | India Biodiesel | | | All other | | | Total | |
| | | | | | | | | | | | | | | | | | | | |
Revenues | | $ | 91,691 | | | $ | 12,579 | | | $ | 13,049 | | | $ | - | | | $ | 117,319 | |
Gross profit | | | 9,431 | | | | 6,063 | | | | 777 | | | | - | | | | 16,271 | |
| | | | | | | | | | | | | | | | | | | - | |
Net loss | | | (11,202 | ) | | | (2,312 | ) | | | (418 | ) | | | (17,148 | ) | | | (31,080 | ) |
Interest and debt amortization expense | | | 17,819 | | | | 2,288 | | | | 119 | | | | 7,813 | | | | 28,039 | |
Depreciation and amortization | | | 2,129 | | | | 2,435 | | | | 374 | | | | 142 | | | | 5,080 | |
Accretion and other expenses of Series A preferred units | | | - | | | | 3,122 | | | | - | | | | - | | | | 3,122 | |
Bad debt expense | | | 72 | | | | - | | | | - | | | | 291 | | | | 363 | |
Income tax expense (benefit) | | | - | | | | 10 | | | | (155 | ) | | | 14 | | | | (131 | ) |
Loss on sale/disposal of assets | | | - | | | | 20 | | | | 88 | | | | - | | | | 108 | |
Stock-based compensation expense | | | - | | | | - | | | | - | | | | 2,825 | | | | 2,825 | |
Stock issued for services | | | - | | | | - | | | | - | | | | 50 | | | | 50 | |
EBITDA | | $ | 8,818 | | | $ | 5,563 | | | $ | 8 | | | $ | (6,013 | ) | | $ | 8,376 | |
| | | | | | | | | | | | | | | | | | | | |
Capital expenditures | | $ | 8,873 | | | $ | 5,743 | | | $ | 110 | | | $ | 356 | | | $ | 15,083 | |
Total assets as of June 30, 2026 | | $ | 83,929 | | | $ | 129,528 | | | $ | 22,257 | | | $ | 53,465 | | | $ | 289,179 | |
Allocation of corporate overhead expense to segments | | $ | 6,411 | | | $ | 7,213 | | | $ | 801 | | | $ | (14,425 | ) | | $ | - | |
| | For the six months ended June 30, 2025 | |
| | California Ethanol | | | California Dairy Renewable Natural Gas | | | India Biodiesel | | | All other | | | Total | |
| | | | | | | | | | | | | | | | | | | | |
Revenues from external customers | | $ | 75,036 | | | $ | 5,494 | | | $ | 14,599 | | | $ | - | | | $ | 95,129 | |
Gross profit (loss) | | | (8,744 | ) | | | 1,160 | | | | (851 | ) | | | - | | | | (8,435 | ) |
| | | | | | | | | | | | | | | | | | | | |
Net loss | | | (27,521 | ) | | | (1,771 | ) | | | (2,298 | ) | | | (16,334 | ) | | | (47,924 | ) |
Interest expense including amortization of debt fees | | | 16,462 | | | | 1,887 | | | | 747 | | | | 6,927 | | | | 26,023 | |
Accretion and other expenses of Series A preferred units | | | - | | | | 4,311 | | | | - | | | | - | | | | 4,311 | |
Income tax expense (benefit) | | | 1 | | | | (6,995 | ) | | | (329 | ) | | | 11 | | | | (7,312 | ) |
Depreciation | | | 2,176 | | | | 2,021 | | | | 382 | | | | 129 | | | | 4,708 | |
Stock-based compensation expense | | | - | | | | - | | | | - | | | | 3,741 | | | | 3,741 | |
Other amortization | | | 23 | | | | - | | | | - | | | | - | | | | 23 | |
EBITDA | | $ | (8,859 | ) | | $ | (547 | ) | | $ | (1,498 | ) | | $ | (5,526 | ) | | $ | (16,430 | ) |
| | | | | | | | | | | | | | | | | | | | |
Capital expenditures | | $ | 382 | | | $ | 4,093 | | | $ | 439 | | | $ | 436 | | | $ | 5,350 | |
Total assets as of June 30, 2025 | | $ | 53,230 | | | $ | 124,099 | | | $ | 25,462 | | | $ | 37,225 | | | $ | 240,016 | |
Allocation of corporate overhead expense to segments | | $ | 4,629 | | | $ | 7,715 | | | $ | 1,543 | | | $ | (13,887 | ) | | $ | - | |
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