Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Other Intangible Assets [Abstract]

Schedule of Goodwill [Table Text Block]

		Rail Products and Services		Construction Products		Tubular and Energy Services		Total
Balance at December 31, 2016	$	13,785	$	5,147	$	-	$	18,932
Foreign currency translation impact		139		-		-		139
Balance at March 31, 2017	$	13,924	$	5,147	$	-	$	19,071

Schedule of Gross Other Intangible Assets [Table Text Block]

		March 31,		December 31,
		2017		2016
Rail Products and Services	$	56,648	$	56,476
Construction Products		1,348		1,348
Tubular and Energy Services		29,179		29,179
	$	87,175	$	87,003

Schedule of Intangible Assets [Table Text Block]

	March 31, 2017
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	4,193	$	(2,406)	$	1,787
Patents	10		376		(148)		228
Customer relationships	18		36,988		(7,200)		29,788
Trademarks and trade names	14		10,029		(3,449)		6,580
Technology	14		35,589		(12,049)		23,540
		$	87,175	$	(25,252)	$	61,923

	December 31, 2016
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	4,219	$	(2,217)	$	2,002
Patents	10		373		(143)		230
Customer relationships	18		36,843		(6,582)		30,261
Trademarks and trade names	14		10,018		(3,238)		6,780
Technology	14		35,550		(11,304)		24,246
		$	87,003	$	(23,484)	$	63,519

Schedule of Expected Amortization Expense [Table Text Block]

		Amortization Expense
2017	$	5,298
2018		6,959
2019		6,220
2020		5,865
2021		5,834
2022 and thereafter		31,747
	$	61,923