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Segment Reporting (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 segment | Dec. 31, 2024 reportingUnit | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Segment Reporting [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | reportingUnit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Number of operating segments |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 62,498 | $ 72,992 | $ 88,743 | $ 78,145 | $ 73,778 | $ 86,728 | $ 97,725 | $ 99,507 | $ 86,443 | $ 101,606 | $ 98,735 | $ 90,592 | $ 302,378 |  |  | $ 357,738 | $ 377,376
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  |  |  |  | 36,565 |  |  | 37,983 | 34,399
Operating income | 869 | 3,605 | 7,489 | 4,732 | 2,517 | 5,875 | 10,070 | 8,075 | 2,974 | 4,632 | 4,385 | 6,012 | 16,695 |  |  | 26,537 | 18,003
Loss from extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  | 0 | 1,582
Net periodic post-retirement benefit |  |  |  |  |  |  |  |  |  |  |  |  | (593) |  |  | (220) | (124)
Net interest (income) expense |  |  |  |  |  |  |  |  |  |  |  |  | (193) |  |  | 1,011 | 1,960
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  |  |  |  |  | 4,182 |  |  | 5,422 | 2,382
Net income | (39) | 3,160 | 6,419 | 3,759 | 2,182 | 4,354 | 7,936 | 5,852 | 4,832 | 1,319 | 2,188 | 3,864 | 13,299 |  |  | 20,324 | 12,203
Reportable Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 302,378 |  |  | 357,738 | 377,376
Variable Cost of Revenue |  |  |  |  |  |  |  |  |  |  |  |  | 219,221 |  |  | 263,526 | 297,783
Fixed Cost of Revenue |  |  |  |  |  |  |  |  |  |  |  |  | 29,897 |  |  | 29,692 | 27,191
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  |  |  |  | 36,565 |  |  | 37,983 | 34,399
Operating income |  |  |  |  |  |  |  |  |  |  |  |  | 16,695 |  |  | 26,537 | 18,003
Loss from extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  | 0 | 1,582
Net periodic post-retirement benefit |  |  |  |  |  |  |  |  |  |  |  |  | (593) |  |  | (220) | (124)
Net interest (income) expense |  |  |  |  |  |  |  |  |  |  |  |  | (193) |  |  | 1,011 | 1,960
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  |  |  |  |  | 4,182 |  |  | 5,422 | 2,382
Net income |  |  |  |  |  |  |  |  |  |  |  |  | 13,299 |  |  | 20,324 | 12,203
Product sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | 60,047 | 71,258 | 83,956 | 75,831 | 72,439 | 80,896 | 95,703 | 98,337 | 83,143 | 92,340 | 93,317 | 89,901 | 291,092 |  |  | 347,375 | 358,701
Product sales | Reportable Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | 291,092 |  |  | 347,375 | 358,701
Tooling sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 2,451 | $ 1,734 | $ 4,787 | $ 2,314 | $ 1,339 | $ 5,832 | $ 2,022 | $ 1,170 | $ 3,300 | $ 9,266 | $ 5,418 | $ 691 | 11,286 |  |  | 10,363 | 18,675
Tooling sales | Reportable Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,286 |  |  | $ 10,363 | $ 18,675

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