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Business Segments (Tables)

9 Months Ended

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

X

- 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

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X

- 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

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