CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (USD $)	Additional Paid In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income	Total
Balance, beginning at Dec. 31, 2011	$ 28,390,929	$ 3,491,678	$ (1,902,439)	$ 2,013,701	$ 34,426,524
Net income		1,780,993			1,780,993
Other comprehensive income due to unrealized gain on investment securities				259,251	259,251
Exercise of stock options	11,094				11,094
Stock-based compensation expense	35,886				35,886
Cash dividends		(978,033)			(978,033)
Balance, ending at Jun. 30, 2012	28,437,909	4,294,638	(1,902,439)	2,272,952	33,103,060
Balance, beginning at Dec. 31, 2012	28,474,951	5,157,839	(1,902,439)	2,200,091	33,930,442
Net income		2,042,879			2,042,879
Other comprehensive income due to unrealized gain on investment securities				(577,705)	(577,705)
Exercise of stock options	62,248				62,248
Stock-based compensation expense	36,952				36,952
Cash dividends		(1,068,292)			(1,068,292)
Balance, ending at Jun. 30, 2013	$ 28,574,151	$ 6,132,426	$ (1,902,439)	$ 1,622,386	$ 34,426,524