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Condensed Consolidated Statements of Retained Earnings (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Consolidated Statements of Retained Earnings
Retained earnings at beginning of period	$ 25,337,604	$ 24,461,381
Net income	453,532	493,734
Cash dividends declared in the period: $0.15 per share in 2013 and 2012	(144,920)	(144,920)
Retained earnings at end of period	$ 25,646,216	$ 24,810,195

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