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Industry Segments - Schedule of Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | $ 50,189 | $ 50,355 | $ 94,300 | $ 105,215 |
Operating income (loss) | (263) | (6,949) | (5,515) | (13,331) |
Unallocated corporate expenses | 6,056 | 6,156 | 13,825 | 13,744 |
Acquisition costs and other | 67 | 16 | 79 | 276 |
Interest expense, net | 72 | 1,047 | 199 | 2,154 |
Other, net | (93) | (154) | (212) | (247) |
Loss from continuing operations before income taxes | (242) | (7,842) | (5,502) | (15,238) |
Identifiable assets | 158,238 |  | 158,238 |  | $ 163,295
Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Identifiable assets | 158,173 |  | 158,173 |  | 162,434
Tubular Products |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 28,721 | 28,992 | 52,536 | 60,053 |
Specialty Chemicals |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 21,468 | 21,363 | 41,764 | 45,112 |
Other Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net sales | 0 | 0 | 0 | 50 |
Operating segment | Tubular Products |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income (loss) | 889 | (3,302) | (613) | (6,596) |
Operating segment | Tubular Products | Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Identifiable assets | 70,173 |  | 70,173 |  | 70,548
Operating segment | Specialty Chemicals |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income (loss) | 429 | (806) | (1,010) | 546 |
Operating segment | Specialty Chemicals | Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Identifiable assets | 45,469 |  | 45,469 |  | 49,547
Operating segment | Other Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income (loss) | (100) | (74) | (261) | (552) |
Corporate |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating income (loss) | (1,481) | (2,767) | (3,631) | (6,729) |
Unallocated corporate expenses | (1,429) | (2,750) | (3,579) | (6,455) |
Acquisition costs and other | (52) | $ (17) | (52) | $ (274) |
Corporate | Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Identifiable assets | $ 42,531 |  | $ 42,531 |  | $ 42,339

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