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Condensed Consolidated Statements of Retained Earnings (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Retained earnings at beginning of period	$ 24,461,381	$ 23,699,232
Net income	493,734	117,022
Cash dividends declared in the period: $0.15 per share in 2012 and $0.12 per share in 2011	(144,920)	(115,936)
Retained earnings at end of period	$ 24,810,195	$ 23,700,318

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