Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Net sales	$ 81,089	$ 93,870	$ 155,229	$ 186,521
Cost of sales	53,937	65,384	102,143	126,106
Gross profit	27,152	28,486	53,086	60,415
Selling and administrative expenses	21,967	21,476	43,931	44,732
Amortization and earnout expenses (income)	2,493	(2,245)	5,397	5,078
Loss (gain) on divestitures, net of selling costs	73		(11,104)
Restructuring expenses	38		150
Income from operations	2,581	9,255	14,712	10,605
Other (expense) income, net	(373)	360	(711)	251
Interest expense	(1,793)	(1,645)	(3,713)	(3,356)
Income before income taxes	415	7,970	10,288	7,500
Income tax expense	1,316	2,484	5,426	1,976
Net (loss) income	$ (901)	$ 5,486	$ 4,862	$ 5,524
(Loss) earnings per share:
Basic	$ (0.03)	$ 0.16	$ 0.14	$ 0.16
Diluted	$ (0.03)	$ 0.16	$ 0.14	$ 0.16
Weighted average number of common shares outstanding:
Basic	34,669,810	34,473,688	34,631,519	34,345,317
Diluted	34,669,810	34,806,808	34,715,141	34,685,687