Quarterly report [Sections 13 or 15(d)]

Industry Segments - Schedule of Segment Information (Details)

v3.26.1
Industry Segments - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 04, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]            
Net sales   $ 25,667 $ 18,652 $ 45,083 $ 36,486  
Cost of goods sold - material   13,443 8,814 21,799 17,177  
Cost of goods sold - other   5,882 4,134 13,354 9,622  
Depreciation   794 838 1,570 1,754  
Gross profit   5,548 4,866 8,360 7,933  
Research and development   107 0 170 0  
Selling, general and administrative expense   5,021 6,085 9,893 10,720  
Depreciation and amortization   506 359 757 595  
Acquisition costs and other   176 31 177 268  
Asset impairments   0 1,622 0 1,622  
Gain on lease modification $ (500) 0 (544) 0 (544)  
Interest expense (income), net   (155) (15) (448) 99  
Income taxes   (601) (89) (487) (89)  
Other expense (income)   (176) (136) (392) (285)  
Income (loss) from continuing operations   670 (2,447) (1,310) (4,453)  
Identifiable assets   106,316   106,316   $ 111,937
United States            
Segment Reporting [Line Items]            
Net sales   24,473 17,450 43,303 34,093  
Honduras            
Segment Reporting [Line Items]            
Net sales   278 0 450 270  
Mexico            
Segment Reporting [Line Items]            
Net sales   402 213 405 686  
Canada            
Segment Reporting [Line Items]            
Net sales   209 200 391 424  
Colombia            
Segment Reporting [Line Items]            
Net sales   151 166 263 303  
The Netherlands            
Segment Reporting [Line Items]            
Net sales     336   370  
Costa Rica            
Segment Reporting [Line Items]            
Net sales     144   172  
Other            
Segment Reporting [Line Items]            
Net sales   154 143 271 168  
Continuing Operations            
Segment Reporting [Line Items]            
Identifiable assets   106,316   106,316   111,937
Operating segment | Specialty Chemicals            
Segment Reporting [Line Items]            
Net sales   25,667 18,652 45,083 36,486  
Cost of goods sold - material   13,443 8,814 21,799 17,177  
Cost of goods sold - other   5,882 4,816 13,354 9,622  
Depreciation   794 835 1,570 1,754  
Gross profit   5,548 4,187 8,360 7,933  
Research and development   107   170    
Selling, general and administrative expense   4,388 2,476 9,113 5,180  
Depreciation and amortization   413 196 571 392  
Acquisition costs and other   0 0 0 92  
Asset impairments     0   0  
Gain on lease modification     0   0  
Interest expense (income), net   13 16 26 32  
Income taxes   0 0 0 0  
Other expense (income)   (29) 0 (34) 0  
Income (loss) from continuing operations   656 1,499 (1,486) 2,237  
Operating segment | Specialty Chemicals | United States            
Segment Reporting [Line Items]            
Net sales   24,473 17,450 43,303 34,093  
Operating segment | Specialty Chemicals | Honduras            
Segment Reporting [Line Items]            
Net sales   278 0 450 270  
Operating segment | Specialty Chemicals | Mexico            
Segment Reporting [Line Items]            
Net sales   402 213 405 686  
Operating segment | Specialty Chemicals | Canada            
Segment Reporting [Line Items]            
Net sales   209 200 391 424  
Operating segment | Specialty Chemicals | Colombia            
Segment Reporting [Line Items]            
Net sales   151 166 263 303  
Operating segment | Specialty Chemicals | The Netherlands            
Segment Reporting [Line Items]            
Net sales     336   370  
Operating segment | Specialty Chemicals | Costa Rica            
Segment Reporting [Line Items]            
Net sales     144   172  
Operating segment | Specialty Chemicals | Other            
Segment Reporting [Line Items]            
Net sales   154 143 271 168  
Operating segment | Specialty Chemicals | Continuing Operations            
Segment Reporting [Line Items]            
Identifiable assets   61,064   61,064   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 (682) 0 0  
Depreciation   0 3 0 0  
Gross profit   0 679 0 0  
Research and development   0   0    
Selling, general and administrative expense   633 3,609 780 5,540  
Depreciation and amortization   93 163 186 203  
Acquisition costs and other   176 31 177 176  
Asset impairments     1,622      
Gain on lease modification     (544)   (544)  
Interest expense (income), net   (168) (31) (474) 67  
Income taxes   (601) (89) (487) (89)  
Other expense (income)   (147) (136) (358) (285)  
Income (loss) from continuing operations   14 (3,946) 176 (6,690)  
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 | Mexico            
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 | 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   $ 45,252   $ 45,252   $ 74,634