Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net sales	$ 95,870	$ 67,773	$ 251,349	$ 194,365
Costs and expenses:
Cost of goods sold	62,070	42,984	163,396	123,987
Selling and administrative expenses	25,482	17,386	69,991	51,809
Other periodic pension costs	96	348	289	1,046
Interest expense	940	213	1,974	593
	88,588	60,931	235,650	177,435
Gain on sale of property, plant and equipment				1,018
Income before taxes on income	7,282	6,842	15,699	17,948
Income tax expense	1,160	1,880	3,310	4,810
Net income	$ 6,122	$ 4,962	$ 12,389	$ 13,138
Weighted average number of shares outstanding during the period
(Basic) (in shares)	15,010,660	14,573,813	14,929,513	14,475,311
(Diluted) (in shares)	15,499,894	15,229,722	15,505,642	15,066,616
Basic
Net income, Basic (in dollars per share)	$ 0.41	$ 0.34	$ 0.83	$ 0.91
Diluted
Net income, Diluted (in dollars per share)	$ 0.39	$ 0.33	$ 0.80	$ 0.87
Other comprehensive income, net of tax:
Recognition of net losses included in net periodic pension costs	$ 216	$ 277	$ 647	$ 773
Gain (loss) on cash flow hedging activities	(3)	(5)	209	(185)
Foreign currency translation adjustment	180	(66)	637	(73)
Other comprehensive income	33	338	219	661
Comprehensive income	$ 6,155	$ 5,300	$ 12,608	$ 13,799
Cash dividends per common share (in dollars per share)	$ 0.10	$ 0.095	$ 0.29	$ 0.27