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Business Segments (Tables) | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment | The operating results of the Company’s reportable segments were as follows for the periods presented:
|  | Three Months Ended September 30,
|  | 2025 |  |  | 2024
|  | Rail, Technologies, and Services |  | Infrastructure Solutions |  | Total |  |  | Rail, Technologies, and Services |  | Infrastructure Solutions |  | Total
Net sales |  | $ | 77,788 |  |  | $ | 60,498 |  |  | $ | 138,286 |  |  |  | $ | 79,498 |  |  | $ | 57,968 |  |  | $ | 137,466 |
Less: |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  | (60,042) |  |  | (47,178) |  |  | (107,220) |  |  |  | (61,027) |  |  | (43,681) |  |  | (104,708) |
Selling and administrative employment costs |  | (7,900) |  |  | (6,086) |  |  | (13,986) |  |  |  | (8,475) |  |  | (6,030) |  |  | (14,505) |
Purchased services (1) |  | (1,787) |  |  | (1,608) |  |  | (3,395) |  |  |  | (1,841) |  |  | (1,584) |  |  | (3,425) |
General administrative costs (2) |  | (1,765) |  |  | (1,184) |  |  | (2,949) |  |  |  | (2,378) |  |  | (1,261) |  |  | (3,639) |
Amortization expense |  | (399) |  |  | (295) |  |  | (694) |  |  |  | (844) |  |  | (302) |  |  | (1,146) |
Segment operating income |  | $ | 5,895 |  |  | $ | 4,147 |  |  | $ | 10,042 |  |  |  | $ | 4,933 |  |  | $ | 5,110 |  |  | $ | 10,043 |
Reconciliation of segment operating income |  |  |  |  |  |  |  |  |  |  |  |  |
Total segment operating income |  |  |  |  |  | $ | 10,042 |  |  |  |  |  |  |  | $ | 10,043 |
Interest expense - net |  |  |  |  |  | (1,254) |  |  |  |  |  |  |  | (1,358) |
Other income - net |  |  |  |  |  | 96 |  |  |  |  |  |  |  | 188 |
Public company costs |  |  |  |  |  | (1,162) |  |  |  |  |  |  |  | (1,327) |
Corporate executive management costs |  |  |  |  |  | (175) |  |  |  |  |  |  |  | (839) |
Corporate management stock-based compensation |  |  |  |  |  | (672) |  |  |  |  |  |  |  | (339) |
Other corporate expenses - net |  |  |  |  |  | 262 |  |  |  |  |  |  |  | (215) |
Income before income taxes |  |  |  |  |  | $ | 7,137 |  |  |  |  |  |  |  | $ | 6,153 |
(1) Purchased services costs generally include contractor services, insurance expenditures, rental expense, and legal services. (2)General administrative costs generally include office supplies, utilities, advertising, bad debt expense, and restructuring expenditures.
|  | Nine Months Ended September 30,
|  | 2025 |  |  | 2024
|  | Rail, Technologies, and Services |  | Infrastructure Solutions |  | Total |  |  | Rail, Technologies, and Services |  | Infrastructure Solutions |  | Total
Net sales |  | $ | 207,776 |  |  | $ | 171,860 |  |  | $ | 379,636 |  |  |  | $ | 247,715 |  |  | $ | 154,867 |  |  | $ | 402,582 |
Less: |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  | (162,869) |  |  | (134,650) |  |  | (297,519) |  |  |  | (192,798) |  |  | (120,337) |  |  | (313,135) |
Selling and administrative employment costs |  | (22,536) |  |  | (17,552) |  |  | (40,088) |  |  |  | (24,083) |  |  | (17,874) |  |  | (41,957) |
Purchased services (1) |  | (5,120) |  |  | (4,239) |  |  | (9,359) |  |  |  | (5,590) |  |  | (4,684) |  |  | (10,274) |
General administrative costs (2) |  | (5,707) |  |  | (4,052) |  |  | (9,759) |  |  |  | (5,524) |  |  | (3,649) |  |  | (9,173) |
Amortization expense |  | (1,758) |  |  | (898) |  |  | (2,656) |  |  |  | (2,508) |  |  | (978) |  |  | (3,486) |
Segment operating income |  | $ | 9,786 |  |  | $ | 10,469 |  |  | $ | 20,255 |  |  |  | $ | 17,212 |  |  | $ | 7,345 |  |  | $ | 24,557 |
Reconciliation of segment operating income |  |  |  |  |  |  |  |  |  |  |  |  |
Total segment operating income |  |  |  |  |  | $ | 20,255 |  |  |  |  |  |  |  | $ | 24,557 |
Gain on sale of former joint venture facility |  |  |  |  |  | — |  |  |  |  |  |  |  | 3,477 |
Interest expense - net |  |  |  |  |  | (3,887) |  |  |  |  |  |  |  | (3,976) |
Other income - net |  |  |  |  |  | 509 |  |  |  |  |  |  |  | 525 |
Public company costs |  |  |  |  |  | (3,633) |  |  |  |  |  |  |  | (4,167) |
Corporate executive management costs |  |  |  |  |  | (1,123) |  |  |  |  |  |  |  | (4,131) |
Corporate management stock-based compensation |  |  |  |  |  | (1,711) |  |  |  |  |  |  |  | (1,818) |
Other corporate expenses - net |  |  |  |  |  | 262 |  |  |  |  |  |  |  | (457) |
Income before income taxes |  |  |  |  |  | $ | 10,672 |  |  |  |  |  |  |  | $ | 14,010 |
(1) Purchased services costs generally include contractor services, insurance expenditures, rental expense, and legal services. (2) General administrative costs generally include office supplies, utilities, advertising, bad debt expense, and restructuring expenditures. Reconciliations of reportable depreciation and amortization and expenditures for long-lived assets to the Company’s consolidated totals are as follows for the periods presented:
|  | Three Months Ended September 30,
|  | 2025 |  | 2024
|  | Depreciation/Amortization |  | Expenditures for Long-Lived Assets |  | Depreciation/Amortization |  | Expenditures for Long-Lived Assets
Rail, Technologies, and Services |  | $ | 793 |  |  | $ | 350 |  |  | $ | 1,202 |  |  | $ | 1,147 |
Infrastructure Solutions |  | 1,654 |  |  | 2,050 |  |  | 1,817 |  |  | 1,669 |
Reportable segments total |  | $ | 2,447 |  |  | $ | 2,400 |  |  | $ | 3,019 |  |  | $ | 2,816 |
Corporate |  | 521 |  |  | 409 |  |  | 467 |  |  | 251 |
Total |  | $ | 2,968 |  |  | $ | 2,809 |  |  | $ | 3,486 |  |  | $ | 3,067 |
|  | Nine Months Ended September 30,
|  | 2025 |  | 2024
|  | Depreciation/Amortization |  | Expenditures for Long-Lived Assets |  | Depreciation/Amortization |  | Expenditures for Long-Lived Assets
Rail, Technologies, and Services |  | $ | 2,874 |  |  | $ | 1,405 |  |  | $ | 3,578 |  |  | $ | 1,765 |
Infrastructure Solutions |  | 5,098 |  |  | 5,545 |  |  | 5,594 |  |  | 5,100 |
Reportable segments total |  | $ | 7,972 |  |  | $ | 6,950 |  |  | $ | 9,172 |  |  | $ | 6,865 |
Corporate |  | 1,530 |  |  | 1,107 |  |  | 1,390 |  |  | 969 |
Total |  | $ | 9,502 |  |  | $ | 8,057 |  |  | $ | 10,562 |  |  | $ | 7,834 |
The following table summarizes the Company's total assets by reportable segment for the following periods:
|  | September 30, 2025 |  | December 31, 2024
Rail, Technologies, and Services |  | $ | 148,746 |  |  | $ | 158,859 |
Infrastructure Solutions |  | 130,964 |  |  | 123,755 |
Reportable segments total |  | 279,710 |  |  | 282,614 |
Corporate |  | 54,179 |  |  | 51,936 |
Total |  | $ | 333,889 |  |  | $ | 334,550 |
Schedule of Restructuring Reserve | The following table summarizes the restructuring liability balance and utilization for restructuring actions, which are primarily related to severance costs through September 30, 2025:
|  |  |  |  |  | Restructuring Liability
Balance as of December 31, 2024 |  |  |  |  |  | $ | 687 |
Personnel and other exit costs associated with AMH Exit |  |  |  |  |  | 696 |
Payments |  |  |  |  |  | (1,150) |
Balance as of September 30, 2025 |  |  |  |  |  | $ | 233 |

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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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