XML 58 R47.htm IDEA: XBRL DOCUMENT v3.25.2
Note 11 - Segment Information - Summary of Business by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Revenue from Contract with Customer $ 35,673 $ 72,409 $ 53,211 $ 130,690
Segment gross profit (loss) (8,767) 8,657 (23,330) 13,664
Selling, general, and administrative expenses 2,228 2,290 5,112 4,193
Research and development expenses 933 916 2,324 1,822
Other income, net (1,547) (4,126) (2,748) (6,890)
Net loss before income taxes (10,381) 9,577 (28,018) 14,539
Operating Segments [Member]        
Revenue from Contract with Customer 35,673 72,409 53,211 130,690
Cost of goods sold 43,762 62,800 75,324 115,519
Distribution 678 952 1,217 1,507
Segment gross profit (loss) (8,767)   (23,330)  
Chemicals [Member]        
Segment gross profit (loss)   4,677   8,698
Chemicals [Member] | Operating Segments [Member]        
Revenue from Contract with Customer 16,619 19,236 25,984 37,295
Cost of goods sold 14,658 14,357 29,512 28,192
Distribution 294 202 534 405
Segment gross profit (loss) 1,667   (4,062)  
Biofuels [Member]        
Segment gross profit (loss)   3,980   4,966
Biofuels [Member] | Operating Segments [Member]        
Revenue from Contract with Customer 19,054 53,173 27,227 93,395
Cost of goods sold 29,104 48,443 45,812 87,327
Distribution 384 $ 750 683 $ 1,102
Segment gross profit (loss) $ (10,434)   $ (19,268)