Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net sales	$ 81,179	$ 81,089	$ 167,190	$ 155,229
Cost of sales	54,333	53,937	111,911	102,143
Gross profit	26,846	27,152	55,279	53,086
Selling and administrative expenses	22,426	21,967	43,740	43,931
Amortization and earnout expenses	2,153	2,493	4,313	5,397
Loss (gain) on divestitures, net of selling costs		73	70	(11,104)
Restructuring expenses	249	38	249	150
Income from operations	2,018	2,581	6,907	14,712
Other income (expense), net	808	(373)	168	(711)
Interest expense	(1,460)	(1,793)	(3,004)	(3,713)
Income before income taxes	1,366	415	4,071	10,288
Income tax (benefit) expense	(4,149)	1,316	(3,308)	5,426
Net income (loss)	$ 5,515	$ (901)	$ 7,379	$ 4,862
Earnings (loss) per share:
Basic	$ 0.16	$ (0.03)	$ 0.21	$ 0.14
Diluted	$ 0.15	$ (0.03)	$ 0.21	$ 0.14
Weighted average number of common shares outstanding:
Basic	34,923,587	34,669,810	34,879,811	34,631,519
Diluted	35,582,727	34,669,810	35,471,628	34,715,141