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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement
Net sales	$ 267,316	$ 241,330	$ 207,061
Cost of goods sold	208,296	190,863	163,261
Gross profit	59,020	50,467	43,800
Selling, general and administrative expenses	29,261	27,415	23,249
Operating income	29,759	23,052	20,551
Interest income	229	355	420
Income before income taxes	29,988	23,407	20,971
Income tax provision	10,688	6,662	6,665
Net income	$ 19,300	$ 16,745	$ 14,306
EARNINGS PER SHARE
Basic (in dollars per share)	$ 0.55	$ 0.44	$ 0.39
Diluted (in dollars per share)	0.55	0.44	0.39
Dividends paid per share (in dollars per share)	$ 0.33	$ 0.24	$ 0.20

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