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Segment Information (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Segment Reporting [Abstract] |  |  |
Reportable segments | segment | 2 |  |
Operating segments | segment | 2 |  |
Net sales | $ 464,290 | $ 489,270 | $ 498,738
Operating Income (Loss) | (27,548) | (21,804) | (21,092)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | (45,434) | (53,671) | (31,069)
Selling, General and Administrative Expense | 49,481 | 47,436 | 49,635
Segment Reporting, Other Segment Item, Amount | 15,966 | 12,510 | 17,686
Segment Reporting Information [Line Items] |  |  |
Net sales | 464,290 | 489,270 | 498,738
Operating Income (Loss) | (27,548) | (21,804) | (21,092)
Selling, General and Administrative Expense | 49,481 | 47,436 | 49,635
Segment Reporting, Other Segment Item, Amount | 15,966 | 12,510 | 17,686
Cost of sales (exclusive of depreciation and amortization shown separately below) | 394,812 | 419,175 | 421,105
Depreciation expense | 31,579 | 31,953 | 31,404
Cost of sales (exclusive of depreciation and amortization shown separately below) | 394,812 | 419,175 | 421,105
Depreciation expense | 31,579 | 31,953 | 31,404
Operating Segments | Mobile Solutions |  |  |
Segment Reporting [Abstract] |  |  |
Net sales | 283,944 | 303,335 | 293,536
Operating Income (Loss) | (18,078) | (11,749) | (2,165)
Selling, General and Administrative Expense | 14,672 | 14,471 | 13,559
Segment Reporting, Other Segment Item, Amount | 9,476 | 3,700 | 3,397
Segment Reporting Information [Line Items] |  |  |
Net sales | 283,944 | 303,335 | 293,536
Operating Income (Loss) | (18,078) | (11,749) | (2,165)
Selling, General and Administrative Expense | 14,672 | 14,471 | 13,559
Segment Reporting, Other Segment Item, Amount | 9,476 | 3,700 | 3,397
Cost of sales (exclusive of depreciation and amortization shown separately below) | 251,847 | 271,110 | 253,906
Depreciation expense | 26,027 | 25,803 | 24,839
Cost of sales (exclusive of depreciation and amortization shown separately below) | 251,847 | 271,110 | 253,906
Depreciation expense | 26,027 | 25,803 | 24,839
Operating Segments | Power Solutions |  |  |
Segment Reporting [Abstract] |  |  |
Net sales | 180,545 | 185,948 | 205,204
Operating Income (Loss) | 13,111 | 11,096 | 3,536
Selling, General and Administrative Expense | 12,987 | 13,104 | 15,147
Segment Reporting, Other Segment Item, Amount | 7,256 | 9,148 | 14,306
Segment Reporting Information [Line Items] |  |  |
Net sales | 180,545 | 185,948 | 205,204
Operating Income (Loss) | 13,111 | 11,096 | 3,536
Selling, General and Administrative Expense | 12,987 | 13,104 | 15,147
Segment Reporting, Other Segment Item, Amount | 7,256 | 9,148 | 14,306
Cost of sales (exclusive of depreciation and amortization shown separately below) | 143,197 | 148,096 | 167,206
Depreciation expense | 3,994 | 4,504 | 5,009
Cost of sales (exclusive of depreciation and amortization shown separately below) | 143,197 | 148,096 | 167,206
Depreciation expense | 3,994 | 4,504 | 5,009
Intersegment Eliminations [Member] |  |  |
Segment Reporting [Abstract] |  |  |
Net sales | (199) | (13) | (2)
Operating Income (Loss) | (22,581) | (21,151) | (22,463)
Selling, General and Administrative Expense | 21,822 | 19,861 | 20,929
Segment Reporting, Other Segment Item, Amount | (766) | (338) | (17)
Segment Reporting Information [Line Items] |  |  |
Net sales | (199) | (13) | (2)
Operating Income (Loss) | (22,581) | (21,151) | (22,463)
Selling, General and Administrative Expense | 21,822 | 19,861 | 20,929
Segment Reporting, Other Segment Item, Amount | (766) | (338) | (17)
Cost of sales (exclusive of depreciation and amortization shown separately below) | (232) | (31) | (7)
Depreciation expense | 1,558 | 1,646 | 1,556
Cost of sales (exclusive of depreciation and amortization shown separately below) | (232) | (31) | (7)
Depreciation expense | $ 1,558 | $ 1,646 | $ 1,556

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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