Consolidated Statement of Stockholders' Equity (USD $)	Preferred Stock	Common Stock	Capital in Excess of Par	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Treasury Stock	Total
Beginning Balance, Amount at Dec. 31, 2012		$ 47,304	$ 13,851,036	$ 1,023,729	$ 2,787,292	$ (1,427,545)	$ 16,281,816
Beginning Balance, Shares at Dec. 31, 2012		4,730,357				889,458
Proceeds from public offering, net offering costs of $1,723,121, Shares		3,450,000
Proceeds from public offering, net offering costs of $1,723,121, Amount		34,500	18,769,879				18,804,379
Stock-based compensation, Shares
Stock-based compensation, Amount			59,959				59,959
Exercise of stock options, Shares		5,674
Exercise of stock options, Amount		56	11,694				11,750
Acquisition of treasury stock, Amount						(129,900)	(129,900)
Acquisition of treasury stock, Shares						30,000
Dividends					(612,401)		(612,401)
Net income					2,012,318		2,012,318
Change in unrealized gains on available for sale securities, net of tax				(718,510)			(718,510)
Ending Balance, Amount at Dec. 31, 2013		81,860	32,692,568	305,219	4,187,209	(1,557,445)	35,709,411
Ending Balance, Shares at Dec. 31, 2013		8,186,031				919,458
Stock-based compensation, Shares
Stock-based compensation, Amount			171,876				171,876
Exercise of stock options, Shares		66,229
Exercise of stock options, Amount		663	5,214				5,877
Shares deducted from exercise of stock options for payment of withholding taxes, Shares		(17,165)
Shares deducted from exercise of stock options for payment of withholding taxes, Amount		(172)	(133,246)				(133,418)
Excess tax benefit from exercise of stock options			136,971				136,971
Tax benefit from exercise of stock options
Acquisition of treasury stock, Amount						(46,728)	(46,728)
Acquisition of treasury stock, Shares						6,880
Dividends					(1,312,625)		(1,312,625)
Net income					5,328,419		5,328,419
Change in unrealized gains on available for sale securities, net of tax				641,113			641,113
Ending Balance, Amount at Dec. 31, 2014		$ 82,351	$ 32,873,383	$ 946,332	$ 8,203,003	$ (1,604,173)	$ 40,500,896
Ending Balance, Shares at Dec. 31, 2014		8,235,095				926,338