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Industry Segments - Schedule of Geographic Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |
Geographic sales | $ 74,942 | $ 80,763
Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 74,942 | 80,763
Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
United States |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 70,495 | 75,564
United States | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 70,495 | 75,564
United States | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Mexico |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 1,186 | 1,880
Mexico | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 1,186 | 1,880
Mexico | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Canada |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 785 | 1,750
Canada | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 785 | 1,750
Canada | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Honduras |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 711 | 1,212
Honduras | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 711 | 1,212
Honduras | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Colombia |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 627 |
Colombia | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 627 |
Colombia | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 |
The Netherlands |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 597 |
The Netherlands | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 597 |
The Netherlands | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 |
Costa Rica |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 266 | 194
Costa Rica | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 266 | 194
Costa Rica | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Japan |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 90 |
Japan | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 90 |
Japan | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 |
Guatemala |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 53 | 22
Guatemala | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 53 | 22
Guatemala | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Singapore |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 44 | 44
Singapore | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 44 | 44
Singapore | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Bahamas |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 37 |
Bahamas | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 37 |
Bahamas | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 |
Taiwan |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 31 | 30
Taiwan | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 31 | 30
Taiwan | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 0 | 0
Thailand |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 20 |
Thailand | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | 20 |
Thailand | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales | $ 0 |
Argentina |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 47
Argentina | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 47
Argentina | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 0
Brazil |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 11
Brazil | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 11
Brazil | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 0
Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 9
Other | Operating Segments | Specialty Chemicals Segment |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | 9
Other | Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Geographic sales |  | $ 0

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