Consolidated Statement of Stockholders' Equity (unaudited) (USD $)	Preferred Stock	Common Stock	Capital in Excess of Par	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Stock	Total
Beginning Balance, Amount at Dec. 31, 2013		$ 81,860	$ 32,692,568	$ 305,219	$ 4,187,209	$ (1,557,445)	$ 35,709,411
Beginning Balance, Shares at Dec. 31, 2013		8,186,031				919,458
Stock-based compensation			26,783				26,783
Shares deducted from exercise of stock options for payment of withholding taxes		(93)	(66,002)				(66,095)
Shares deducted from exercise of stock options for payment of withholding taxes, shares		(9,309)
Excess tax benefit from exercise of stock options			70,313				70,313
Exercise of stock options, Amount		371	(371)
Exercise of stock options, Shares		37,104
Acquisition of treasury stock, Amount						(23,203)	(23,203)
Acquisition of treasury stock, Shares						3,500
Dividends					(582,439)		(582,439)
Net income					1,681,635		1,681,635
Change in unrealized gains on available-for-sale securities, net of tax				935,032			935,032
Ending Balance, Amount at Jun. 30, 2014		$ 82,138	$ 32,723,291	$ 1,240,251	$ 5,286,405	$ (1,580,648)	$ 37,751,437
Ending Balance, Shares at Jun. 30, 2014		8,213,826				922,958