CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (USD $)	ADDITIONAL PAID IN CAPITAL [Member]	RETAINED EARNINGS [Member]	TREASURY STOCK [Member]	ACCUMULATED OTHER COMPREHENSIVE INCOME [Member]	Total
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 (loss)				(577,705)	(577,705)
Exercise of stock options	62,248
Stock-based compensation expense	36,952
Cash dividends		(1,068,292)
Balance, ending at Jun. 30, 2013	28,574,151	6,132,426	(1,902,439)	1,622,386	34,426,524
Balance, beginning at Dec. 31, 2013	28,678,150	7,007,532	(1,902,439)	955,900	34,739,143
Net income		2,065,725			2,065,725
Other comprehensive income (loss)				172,081	172,081
Exercise of stock options	26,050
Stock-based compensation expense	36,780
Cash dividends		(1,159,961)
Balance, ending at Jun. 30, 2014	$ 28,740,980	$ 7,913,296	$ (1,902,439)	$ 1,127,981	$ 35,879,818