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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Statement      
Net sales $ 207,061 $ 171,050 $ 168,293
Cost of goods sold 163,261 138,379 138,480
Gross profit 43,800 32,671 29,813
Selling, general and administrative expenses 23,249 20,665 20,307
Operating income 20,551 12,006 9,506
Interest income 420 521 524
Income before income taxes 20,971 12,527 10,030
Income tax provision 6,665 3,613 2,502
Net income $ 14,306 $ 8,914 $ 7,528
EARNINGS PER SHARE      
Basic (in dollars per share) $ 0.39 $ 0.24 $ 0.20
Diluted (in dollars per share) 0.39 0.24 0.20
Dividends paid per share (in dollars per share) $ 0.20 $ 0.16 $ 0.15