Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 86,011	$ 74,139
Cost of sales	57,579	48,578
Gross profit	28,432	25,561
Selling and administrative expenses	21,312	21,573
Amortization and earnout expenses	2,160	2,903
Loss (gain) on divestitures, net of selling costs	70	(11,177)
Restructuring expenses		112
Income from operations	4,890	12,150
Other expense, net	(640)	(356)
Interest expense	(1,544)	(1,920)
Income before income taxes	2,706	9,874
Income tax expense	842	4,111
Net income	$ 1,864	$ 5,763
Earnings per share:
Basic	$ 0.05	$ 0.17
Diluted	$ 0.05	$ 0.17
Weighted average number of common shares outstanding:
Basic	34,835,550	34,592,803
Diluted	35,360,042	34,641,390