Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenue		$ 120,846	$ 126,642
Cost of sales		95,806	99,940
Gross profit		25,040	26,702
Selling, general and administrative expenses		24,213	26,246
Amortization of intangible assets		324	345
Operating profit		503	111
Interest expense, net		603	663
Other expense (income), net		1,702	(197)
Income (loss) from continuing operations before income taxes		(1,802)	(355)
Income tax expense (benefit)		(448)	307
Net income (loss) from continuing operations		(1,354)	(662)
Income (loss) from discontinued operations, net of tax		22,866	(2,723)
Net income (loss)	[1]	$ 21,512	$ (3,385)
Earnings Per Share, Basic and Diluted [Abstract]
Basic and diluted earnings (loss) per share, continuing operations (in usd per share)		$ (0.10)	$ (0.05)
Basic and diluted earnings (loss) per share, discontinued operations (in usd per share)		1.68	(0.20)
Basic and diluted earnings (loss) per share (in usd per share)		$ 1.58	$ (0.25)
Basic weighted average shares outstanding (in shares)		13,625	13,786
Diluted weighted average shares outstanding (in shares)		13,625	13,786

[1] As Restated