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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Income Statement    
Net sales $ 83,053 $ 77,536
Cost of goods sold 64,354 59,885
Gross profit 18,699 17,651
Selling, general and administrative expenses 9,831 8,618
Operating income 8,868 9,033
Interest income 57 33
Income before income taxes 8,925 9,066
Income tax provision 1,456 1,457
Net income $ 7,469 $ 7,609
Earnings per share    
Basic (in dollars per share) $ 0.22 $ 0.22
Diluted (in dollars per share) 0.22 0.22
Dividends paid per share (in dollars per share) $ 0.12 $ 0.10