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Condensed Consolidated Statements of Retained Earnings (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Condensed Consolidated Statements of Retained Earnings    
Retained earnings at beginning of period $ 30,228,793 $ 28,828,284
Net income 1,309,112 1,904,445
Cash dividends paid, $.95 per share in 2017 and $.79 in 2016 (917,825) (763,245)
Retained earnings at end of period $ 30,620,080 $ 29,969,484