v3.26.1
Note 13 - Segment Information - Schedule of Segment Reporting Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Revenues $ 62,700   $ 52,243   $ 117,319 $ 95,129  
Gross profit 13,515   (3,355)   16,271 (8,435)  
Net loss (9,367) $ (21,713) (23,395) $ (24,529) (31,080) (47,924)  
Interest and debt amortization expense 13,665   12,330   28,039 26,023  
Depreciation and amortization 2,545       5,080    
Accretion and other expenses of Series A preferred units 1,509   2,032   3,122 4,311  
Bad debt expense 87       363 0  
Loss on sale/disposal of assets 106       108 0  
Stock-based compensation expense 1,121   1,433   2,825 3,741  
EBITDA 9,666   (5,768)   8,376 (16,430)  
Capital expenditures 8,535   3,525   15,083 5,350  
Total assets as of June 30, 2026 289,179   240,016   289,179 240,016 $ 259,841
Allocation of corporate overhead expense to segments 0   0   0 0  
Income tax expense (benefit)     (529)     (7,312)  
Depreciation 2,500   2,350   5,057 4,708  
Other amortization     11     23  
Income tax benefit 0   (529)   (131) (7,312)  
Stock issued for services         50 50  
California Ethanol [Member]              
Revenues 46,380   37,288   82,611 75,036  
California Ethanol [Member] | Operating Segments [Member]              
Revenues 52,865   37,288   91,691 75,036  
Gross profit 8,859   (3,806)   9,431 (8,744)  
Net loss (1,500)   (12,611)   (11,202) (27,521)  
Interest and debt amortization expense 8,856   8,001   17,819 16,462  
Depreciation and amortization 1,073       2,129    
Accretion and other expenses of Series A preferred units 0   0   0 0  
Bad debt expense 0       72    
Loss on sale/disposal of assets 0       0    
Stock-based compensation expense 0   0   0 0  
EBITDA 8,429   (3,523)   8,818 (8,859)  
Capital expenditures 5,519   339   8,873 382  
Total assets as of June 30, 2026 83,929   53,230   83,929 53,230  
Allocation of corporate overhead expense to segments 2,968   1,945   6,411 4,629  
Income tax expense (benefit)     1     1  
Depreciation     1,075     2,176  
Other amortization     11     23  
Income tax benefit         0    
Stock issued for services         0    
California Dairy Renewable Natural Gas [Member]              
Revenues 5,239   3,051   9,050 5,494  
California Dairy Renewable Natural Gas [Member] | Operating Segments [Member]              
Revenues 7,325   3,051   12,579 5,494  
Gross profit 3,989   855   6,063 1,160  
Net loss (190)   (3,533)   (2,312) (1,771)  
Interest and debt amortization expense 1,134   939   2,288 1,887  
Depreciation and amortization 1,216       2,435    
Accretion and other expenses of Series A preferred units 1,509   2,032   3,122 4,311  
Bad debt expense 0       0    
Loss on sale/disposal of assets 20       20    
Stock-based compensation expense 0   0   0 0  
EBITDA 3,689   450   5,563 (547)  
Capital expenditures 2,591   2,836   5,743 4,093  
Total assets as of June 30, 2026 129,528   124,099   129,528 124,099  
Allocation of corporate overhead expense to segments 3,340   3,241   7,213 7,715  
Income tax expense (benefit)     0     (6,995)  
Depreciation     1,012     2,021  
Other amortization     0     0  
Income tax benefit         10    
Stock issued for services         0    
India Biodiesel Segment [Member] | Operating Segments [Member]              
Revenues 2,510   11,904   13,049 14,599  
Gross profit 667   (404)   777 (851)  
Net loss 42   (586)   (418) (2,298)  
Interest and debt amortization expense 0   291   119 747  
Depreciation and amortization 184       374    
Accretion and other expenses of Series A preferred units 0   0   0 0  
Bad debt expense 0       0    
Loss on sale/disposal of assets 86       88    
Stock-based compensation expense 0   0   0 0  
EBITDA 312   (627)   8 (1,498)  
Capital expenditures 99   60   110 439  
Total assets as of June 30, 2026 22,257   25,462   22,257 25,462  
Allocation of corporate overhead expense to segments 371   648   801 1,543  
Income tax expense (benefit)     (530)     (329)  
Depreciation     198     382  
Other amortization     0     0  
Income tax benefit         (155)    
Stock issued for services         0    
Segment Reporting, All Other Segments, Including Corporate [Member]              
Net loss (7,719)   (6,665)   (17,148) (16,334)  
Interest and debt amortization expense 3,675       7,813    
Bad debt expense 87       291    
Loss on sale/disposal of assets 0       0    
Allocation of corporate overhead expense to segments (6,679)   (5,834)   (14,425) (13,887)  
Income tax benefit         14    
Segment Reporting, All Other Segments, Including Corporate [Member] | Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]              
Revenues 0   0   0 0  
Gross profit 0   0   0 0  
Interest and debt amortization expense     3,099     6,927  
Depreciation and amortization 72       142    
Accretion and other expenses of Series A preferred units 0   0   0 0  
Stock-based compensation expense 1,121   1,433   2,825 3,741  
EBITDA (2,764)   (2,068)   (6,013) (5,526)  
Capital expenditures 325   290   356 436  
Total assets as of June 30, 2026 $ 53,465   37,225   53,465 37,225  
Income tax expense (benefit)     0     11  
Depreciation     65     129  
Other amortization     $ 0     $ 0  
Stock issued for services         $ 50