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Condensed Consolidated Statements of Retained Earnings (Unaudited) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Retained earnings at beginning of period $ 24,461,381 $ 23,699,232
Net income 1,397,508 1,022,183
Cash dividends declared in the period: $0.45 per share in 2012 and $0.36 per share in 2011 (434,760) (347,807)
Retained earnings at end of period $ 25,424,129 $ 24,373,608