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, 2013	$ 28,678,150	$ 7,007,532	$ (1,902,439)	$ 955,900	$ 34,739,143
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		3,207,438			3,207,438
Other comprehensive income				$ 90,765	90,765
Exercise of stock options	$ 26,050				26,050
Stock-based compensation expense	55,709				55,709
Cash dividends ($0.49 and $0.39 per common share for the nine months ended September 30, 2015 and 2014 respectively)		(2,186,080)			(2,186,080)
Balance ending at Sep. 30, 2014	28,759,909	8,028,890	$ (1,902,439)	1,046,665	35,933,025
Balance beginning at Dec. 31, 2014	28,779,108	8,640,291	(1,902,439)	1,243,022	36,759,982
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		3,657,316			3,657,316
Other comprehensive income				$ 212,625	212,625
Exercise of stock options	113,254				113,254
10% Stock dividend 446,597 common 21,945 treasury at $15.72	7,360,703	(7,020,505)	(344,976)		(4,778)
Stock-based compensation expense	58,943				58,943
Cash dividends ($0.49 and $0.39 per common share for the nine months ended September 30, 2015 and 2014 respectively)		(1,799,981)			(1,799,981)
Balance ending at Sep. 30, 2015	$ 36,312,008	$ 3,477,121	$ (2,247,415)	$ 1,455,647	$ 38,997,361