Business Segments (Tables)

3 Months Ended

Mar. 31, 2017

Business Segments [Abstract]

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

		Three Months Ended				Three Months Ended
		March 31, 2017				March 31, 2016
		Net		Segment		Net		Segment
		Sales		Profit (loss)		Sales		Profit (loss)
Rail Products and Services	$	56,480	$	1,489	$	64,292	$	741
Construction Products		37,322		1,219		31,880		448
Tubular and Energy Services		24,900		(508)		30,138		(1,927)
Total	$	118,702	$	2,200	$	126,310	$	(738)

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

		Three Months Ended
		March 31,
		2017		2016
Profit (loss) for reportable segments	$	2,200	$	(738)
Interest expense		(2,108)		(1,170)
Interest income		56		55
Other expense		(5)		(715)
LIFO income		11		73
Equity in loss of nonconsolidated investments		(200)		(196)
Corporate expense, cost of capital elimination, and other unallocated charges		(1,945)		(1,458)
Loss before income taxes	$	(1,991)	$	(4,149)

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

		March 31,		December 31,
		2017		2016
Rail Products and Services	$	176,227	$	174,049
Construction Products		83,175		81,074
Tubular and Energy Services		101,292		100,006
Unallocated corporate assets		41,546		37,894
Total	$	402,240	$	393,023