Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 75,170	$ 81,179	$ 155,656	$ 167,190
Cost of sales	49,354	54,333	101,561	111,911
Gross profit	25,816	26,846	54,095	55,279
Selling and administrative expenses	18,407	22,426	40,383	43,740
Amortization expenses	1,785	2,153	3,498	4,313
Restructuring expenses	530	249	882	249
Acquisition and integration expenses	699		699
Loss on divestitures, net of selling costs				70
Income from operations	4,395	2,018	8,633	6,907
Other income	371	808	1,347	168
Interest expense	(944)	(1,460)	(1,967)	(3,004)
Income before income taxes	3,822	1,366	8,013	4,071
Income tax expense (benefit)	564	(4,149)	1,343	(3,308)
Net income	$ 3,258	$ 5,515	$ 6,670	$ 7,379
Earnings per share:
Basic	$ 0.09	$ 0.16	$ 0.19	$ 0.21
Diluted	$ 0.09	$ 0.15	$ 0.19	$ 0.21
Weighted average number of common shares outstanding:
Basic	35,275,729	34,923,587	35,215,553	34,879,811
Diluted	35,410,182	35,582,727	35,402,524	35,471,628