v3.26.3
Industry Segments - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Apr. 04, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]            
Net sales   $ 27,135 $ 19,697 $ 72,218 $ 56,183  
Cost of goods sold - material   12,707 8,173 34,506 25,351  
Cost of goods sold - other   6,508 4,900 19,862 14,069  
Depreciation   801 783 2,372 2,990  
Gross profit   7,119 5,841 15,478 13,773  
Research and development   92 0 262 0  
Selling, general and administrative expense   4,596 5,971 14,489 16,308  
Depreciation and amortization   718 282 1,475 1,259  
Acquisition costs and other   75 398 251 665  
Asset impairments   0 0 0 1,622  
Gain on lease modification $ (500) 0 0 0 (544)  
Interest income, net   (114) (447) (562) (347)  
Income taxes   495 58 8 (32)  
Other expense (income)   (145) (296) (537) (581)  
Net income (loss)   1,402 (125) 92 (4,577)  
Identifiable assets   107,870   107,870   $ 111,937
United States            
Segment Reporting [Line Items]            
Net sales   25,845 18,586 69,020 52,679  
Honduras            
Segment Reporting [Line Items]            
Net sales   240 259 691 529  
Canada            
Segment Reporting [Line Items]            
Net sales   279 154 670 578  
Mexico            
Segment Reporting [Line Items]            
Net sales   129 260 534 946  
Australia            
Segment Reporting [Line Items]            
Net sales   331   412    
Colombia            
Segment Reporting [Line Items]            
Net sales   96 214 372 517  
The Netherlands            
Segment Reporting [Line Items]            
Net sales     215   585  
Costa Rica            
Segment Reporting [Line Items]            
Net sales     0   172  
Other            
Segment Reporting [Line Items]            
Net sales   215 9 519 177  
Continuing Operations            
Segment Reporting [Line Items]            
Identifiable assets   107,870   107,870   111,937
Operating segment | Specialty Chemicals            
Segment Reporting [Line Items]            
Net sales   27,135 19,697 72,218 56,183  
Cost of goods sold - material   12,707 8,173 34,506 25,351  
Cost of goods sold - other   6,508 4,900 19,862 14,069  
Depreciation   801 783 2,372 2,990  
Gross profit   7,119 5,841 15,478 13,773  
Research and development   92   262    
Selling, general and administrative expense   3,827 3,472 12,939 8,269  
Depreciation and amortization   625 224 1,196 998  
Acquisition costs and other   0 0 0 92  
Asset impairments     0   0  
Gain on lease modification     0   0  
Interest income, net   11 7 37 38  
Income taxes   0 0 0 0  
Other expense (income)   0 0 (34) 0  
Net income (loss)   2,564 2,138 1,078 4,376  
Operating segment | Specialty Chemicals | United States            
Segment Reporting [Line Items]            
Net sales   25,845 18,586 69,020 52,679  
Operating segment | Specialty Chemicals | Honduras            
Segment Reporting [Line Items]            
Net sales   240 259 691 529  
Operating segment | Specialty Chemicals | Canada            
Segment Reporting [Line Items]            
Net sales   279 154 670 578  
Operating segment | Specialty Chemicals | Mexico            
Segment Reporting [Line Items]            
Net sales   129 260 534 946  
Operating segment | Specialty Chemicals | Australia            
Segment Reporting [Line Items]            
Net sales   331   412    
Operating segment | Specialty Chemicals | Colombia            
Segment Reporting [Line Items]            
Net sales   96 214 372 517  
Operating segment | Specialty Chemicals | The Netherlands            
Segment Reporting [Line Items]            
Net sales     215   585  
Operating segment | Specialty Chemicals | Costa Rica            
Segment Reporting [Line Items]            
Net sales     0   172  
Operating segment | Specialty Chemicals | Other            
Segment Reporting [Line Items]            
Net sales   215 9 519 177  
Operating segment | Specialty Chemicals | Continuing Operations            
Segment Reporting [Line Items]            
Identifiable assets   63,655   63,655   37,303
Corporate & Other            
Segment Reporting [Line Items]            
Net sales   0 0 0 0  
Cost of goods sold - material   0 0 0 0  
Cost of goods sold - other   0 0 0 0  
Depreciation   0 0 0 0  
Gross profit   0 0 0 0  
Research and development   0   0    
Selling, general and administrative expense   769 2,499 1,550 8,039  
Depreciation and amortization   93 58 279 261  
Acquisition costs and other   75 398 251 573  
Asset impairments          
Gain on lease modification     0   (544)  
Interest income, net   (125) (454) (599) (385)  
Income taxes   495 58 8 (32)  
Other expense (income)   (145) (296) (503) (581)  
Net income (loss)   (1,162) (2,263) (986) (8,953)  
Corporate & Other | United States            
Segment Reporting [Line Items]            
Net sales   0 0 0 0  
Corporate & Other | Honduras            
Segment Reporting [Line Items]            
Net sales   0 0 0 0  
Corporate & Other | Canada            
Segment Reporting [Line Items]            
Net sales   0 0 0 0  
Corporate & Other | Mexico            
Segment Reporting [Line Items]            
Net sales   0 0 0 0  
Corporate & Other | Australia            
Segment Reporting [Line Items]            
Net sales   0   0    
Corporate & Other | Colombia            
Segment Reporting [Line Items]            
Net sales   0 0 0 0  
Corporate & Other | The Netherlands            
Segment Reporting [Line Items]            
Net sales     0   0  
Corporate & Other | Costa Rica            
Segment Reporting [Line Items]            
Net sales     0   0  
Corporate & Other | Other            
Segment Reporting [Line Items]            
Net sales   0 $ 0 0 $ 0  
Corporate & Other | Continuing Operations            
Segment Reporting [Line Items]            
Identifiable assets   $ 44,215   $ 44,215   $ 74,634