Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net sales	$ 92,270	$ 82,392	$ 178,822	$ 155,479
Costs and expenses:
Cost of goods sold	59,927	53,114	116,211	101,326
Selling and administrative expenses	26,885	23,327	52,748	44,509
Other periodic pension costs	547	96	806	192
Interest expense	1,259	758	2,429	1,035
	88,618	77,295	172,194	147,062
Income before taxes on income	3,652	5,097	6,628	8,417
Income tax expense	871	1,280	1,471	2,150
Net income	$ 2,781	$ 3,817	$ 5,157	$ 6,267
Weighted average number of shares outstanding during the period
(Basic) (in shares)	14,952,802	14,956,221	14,940,072	14,888,940
(Diluted) (in shares)	15,287,357	15,559,404	15,275,006	15,508,517
Basic
Net income (in dollars per share)	$ 0.19	$ 0.26	$ 0.35	$ 0.42
Net income, Basic (in dollars per share)	0.19	0.26	0.35	0.42
Diluted
Net income (in dollars per share)	$ 0.18	$ 0.25	$ 0.34	$ 0.40
Other comprehensive income (loss), net of tax:
Recognition of net losses included in net periodic pension costs	$ 256	$ 215	$ 503	$ 431
Recognition of settlement loss included in net periodic pension costs	246		246
Loss (gain) on cash flow hedging activities	(6)	72	(11)	212
Foreign currency translation adjustment	49	(509)	21	(457)
Other comprehensive income (loss)	545	(222)	759	186
Comprehensive income	$ 3,326	$ 3,595	$ 5,916	$ 6,453
Cash dividends per common share (in dollars per share)	$ 0.10	$ 0.095	$ 0.20	$ 0.19
Net sales	$ 92,270	$ 82,392	$ 178,822	$ 155,479