Condensed Consolidated Statements of Retained Earnings (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Retained earnings at beginning of period	$ 23,699,232	$ 23,498,982
Net income	1,254,877	606,025
Cash dividends paid in the period: $0.51 per share in 2011 and $0.42 per share in 2010	(492,728)	(405,775)
Retained earnings at end of period	$ 24,461,381	$ 23,699,232