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Consolidated Statements of Retained Earnings - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Consolidated Statements of Retained Earnings    
Retained earnings at beginning of year $ 28,828,284 $ 28,077,791
Net income 2,356,980 1,687,641
Cash dividends paid, $.99 and $.97 per share in 2016 and 2015, respectively (956,471) (937,148)
Retained earnings at end of year $ 30,228,793 $ 28,828,284