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Industry Segments - Schedule of Information Regarding Segments of Continuing Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Segment Reporting Information [Line Items] |  |
Net sales | $ 74,942 | $ 80,763
Cost of goods sold - material | 34,068 | 40,903
Cost of goods sold - other | 20,350 | 25,525
Depreciation | 3,312 | 3,643
Gross profit | 17,212 | 10,692
Research and development | 71 | 0
Selling, general and administrative expense | 22,961 | 19,857
Depreciation & amortization | 1,132 | 1,042
Acquisition costs and other | 731 | 662
Asset impairments | 1,622 | 0
Gain on lease modification | (2,278) | (67)
Interest (income) expense, net | (712) | 417
Income taxes | 22 | 1,806
Other (income) expense, net | (753) | (448)
Loss from continuing operations | (5,584) | (12,577)
Identifiable assets | 111,937 | 85,226
Capital expenditures | 1,544 | 1,120
Operating Segments | Specialty Chemicals |  |
Segment Reporting Information [Line Items] |  |
Net sales | 74,942 | 80,763
Cost of goods sold - material | 34,068 | 40,903
Cost of goods sold - other | 20,350 | 25,040
Depreciation | 3,312 | 3,631
Gross profit | 17,212 | 11,189
Research and development | 0 |
Selling, general and administrative expense | 12,590 | 8,672
Depreciation & amortization | 779 | 874
Acquisition costs and other | 92 | 476
Asset impairments | 0 |
Gain on lease modification | 0 | 0
Interest (income) expense, net | 52 | 75
Income taxes | 0 | 0
Other (income) expense, net | (1) | (1)
Loss from continuing operations | 3,700 | 1,093
Identifiable assets | 37,303 | 38,928
Capital expenditures | 1,385 | 1,120
Corporate & Other |  |
Segment Reporting Information [Line Items] |  |
Net sales | 0 | 0
Cost of goods sold - material | 0 | 0
Cost of goods sold - other | 0 | 485
Depreciation | 0 | 12
Gross profit | 0 | (497)
Research and development | 71 |
Selling, general and administrative expense | 10,371 | 11,185
Depreciation & amortization | 353 | 168
Acquisition costs and other | 639 | 186
Asset impairments | 1,622 |
Gain on lease modification | (2,278) | (67)
Interest (income) expense, net | (764) | 342
Income taxes | 22 | 1,806
Other (income) expense, net | (752) | (447)
Loss from continuing operations | (9,284) | (13,670)
Identifiable assets | 74,634 | 46,298
Capital expenditures | $ 159 | $ 0

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