v3.26.3
Note 13 - Segment Information - Schedule of Segment Reporting Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Revenues $ 88,153     $ 59,190     $ 205,472 $ 154,319  
Gross profit 29,473     (58)     45,744 (8,493)  
Net loss 5,211 $ (9,367) $ (21,713) (23,747) $ (23,395) $ (24,529) (25,869) (71,671)  
Interest and debt amortization expense 14,548     12,950     42,587 38,973  
Depreciation and amortization 2,581           7,661    
Accretion and other expenses of Series A preferred units 1,216     2,034     4,338 6,345  
Bad debt expense 38           401 0  
Income tax expense (benefit) 2     6       (7,306)  
Stock-based compensation expense 1,193     1,385     4,018 4,976  
EBITDA 24,789     (5,038)     33,165 (21,469)  
Capital expenditures 20,224     4,091     35,307 9,441  
Total assets as of September 30, 2026 311,995     241,119     311,995 241,119 $ 259,841
Allocation of corporate overhead expense to segments 0     0     0 0  
Depreciation 2,500     2,326     7,626 7,033  
Loss (gain) on sale/disposal of assets       (4)     108 (4)  
Other amortization       12       35  
Income tax expense (benefit) 2     6     (129) (7,306)  
Stock issued for services             50 150  
California Ethanol [Member]                  
Revenues 49,169     40,726     131,779 115,762  
California Ethanol [Member] | Operating Segments [Member]                  
Revenues 53,804     40,726     145,494 115,762  
Gross profit 7,444     (1,432)     16,874 (10,176)  
Net loss (3,826)     (11,596)     (15,032) (39,117)  
Interest and debt amortization expense 9,416     8,565     27,237 25,027  
Depreciation and amortization 1,112           3,241    
Accretion and other expenses of Series A preferred units 0     0     0 0  
Bad debt expense 0           72    
Income tax expense (benefit) 0     0       1  
Stock-based compensation expense 0     0     0 0  
EBITDA 6,702     (1,995)     15,518 (10,854)  
Capital expenditures 8,234     235     17,107 617  
Total assets as of September 30, 2026 85,387     54,703     85,387 54,703  
Allocation of corporate overhead expense to segments 3,054     2,945     9,465 7,574  
Depreciation       1,024       3,200  
Loss (gain) on sale/disposal of assets       0     0 0  
Other amortization       12       35  
Income tax expense (benefit)             0    
Stock issued for services             0 0  
California Dairy Renewable Natural Gas [Member]                  
Revenues 5,872     3,996     14,922 9,490  
California Dairy Renewable Natural Gas [Member] | Operating Segments [Member]                  
Revenues 25,923     3,996     38,503 9,490  
Gross profit 20,639     1,300     26,703 2,460  
Net loss 16,782     (3,542)     14,471 (5,313)  
Interest and debt amortization expense 1,066     939     3,354 2,826  
Depreciation and amortization 1,216           3,652    
Accretion and other expenses of Series A preferred units 1,216     2,034     4,338 6,345  
Bad debt expense 0           0    
Income tax expense (benefit) 0     6       (6,989)  
Stock-based compensation expense 0     0     0 0  
EBITDA 20,280     444     25,845 (103)  
Capital expenditures 11,640     3,330     17,383 7,423  
Total assets as of September 30, 2026 148,547     129,932     148,547 129,932  
Allocation of corporate overhead expense to segments 3,435     3,313     10,648 11,028  
Depreciation       1,007       3,028  
Loss (gain) on sale/disposal of assets       0     20 0  
Other amortization       0       0  
Income tax expense (benefit)             10    
Stock issued for services             0 0  
India Biodiesel Segment [Member] | Operating Segments [Member]                  
Revenues 8,426     14,468     21,475 29,067  
Gross profit 1,390     74     2,167 (777)  
Net loss 671     (624)     255 (2,922)  
Interest and debt amortization expense 169     25     287 772  
Depreciation and amortization 181           554    
Accretion and other expenses of Series A preferred units 0     0     0 0  
Bad debt expense 0           0    
Income tax expense (benefit) 2     0       (329)  
Stock-based compensation expense 0     0     0 0  
EBITDA 1,023     (405)     1,031 (1,904)  
Capital expenditures 19     214     130 653  
Total assets as of September 30, 2026 23,268     20,821     23,268 20,821  
Allocation of corporate overhead expense to segments 382     368     1,183 1,911  
Depreciation       198       579  
Loss (gain) on sale/disposal of assets       (4)     88 (4)  
Other amortization       0       0  
Income tax expense (benefit)             (153)    
Stock issued for services             0 0  
Segment Reporting, All Other Segments, Including Corporate [Member]                  
Revenues               0  
Net loss (8,416)     (7,985)     (25,563) (24,319)  
Interest and debt amortization expense 3,897           11,709    
Bad debt expense 38           329    
Income tax expense (benefit) 0                
Allocation of corporate overhead expense to segments (6,871)     (6,626)     (21,296) (20,513)  
Loss (gain) on sale/disposal of assets       0     0 0  
Income tax expense (benefit)             14    
Stock issued for services               150  
Segment Reporting, All Other Segments, Including Corporate [Member] | Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]                  
Revenues 0     0     0    
Gross profit 0     0     0 0  
Interest and debt amortization expense       3,421       10,348  
Depreciation and amortization 72           214    
Accretion and other expenses of Series A preferred units 0     0     0 0  
Income tax expense (benefit)       0       11  
Stock-based compensation expense 1,193     1,385     4,018 4,976  
EBITDA (3,216)     (3,082)     (9,229) (8,608)  
Capital expenditures 331     312     687 748  
Total assets as of September 30, 2026 $ 54,793     35,663     54,793 35,663  
Depreciation       97       226  
Other amortization       $ 0       $ 0  
Stock issued for services             $ 50