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Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 82,973	$ 139,536
Cost of sales	83,569	129,730
Gross (loss) profit	(596)	9,806
Selling, general and administrative expenses	7,996	7,030
Restructuring and impairment charges	0	1,357
Operating (loss) income	(8,592)	1,419
Interest expense and deferred financing costs	(32)	(42)
Other income (expense)	381	(299)
(Loss) income before income taxes	(8,243)	1,078
Income tax (benefit) provision	(1,839)	440
Net (loss) income	$ (6,404)	$ 638
Net (loss) income per common share - basic	$ (0.51)	$ 0.05
Net (loss) income per common share - diluted	$ (0.51)	$ 0.05
Weighted average common shares outstanding - basic	12,306,011	12,269,555
Weighted average common shares outstanding - diluted	12,306,011	12,269,555
Dividends declared per common share		$ 0.09

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