Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net sales	$ 60,987,000	$ 57,968,000
Costs and expenses:
Cost of goods sold	38,773,000	37,947,000
Selling and administrative expenses	17,643,000	16,463,000
Interest expense	184,000	148,000
	56,600,000	54,558,000
Gain on sale of property, plant and equipment	1,018,000
Income before taxes on income	5,405,000	3,410,000
Income tax expense	1,570,000	968,000
Net income	$ 3,835,000	$ 2,442,000
Weighted average number of shares outstanding during the period
(Basic) (in shares)	14,350,721	13,927,063
(Diluted) (in shares)	14,929,695	14,668,658
Basic
Net income (in dollars per share)	$ 0.27	$ 0.18
Diluted
Net income (in dollars per share)	$ 0.26	$ 0.17
Other comprehensive income, net of tax:
Recognition of net losses included in net periodic pension costs	$ 176,000	$ 171,000
Recognition of settlement loss included in net periodic pension costs		165,000
Loss on cash flow hedging activities	(128,000)	(15,000)
Foreign currency translation adjustments	50,000	121,000
Other comprehensive income	98,000	442,000
Comprehensive income	$ 3,933,000	$ 2,884,000
Cash dividends per common share (in dollars per share)	$ 0.0875	$ 0.0825