Consolidated Statements of Stockholders' Equity (USD $)	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock
Balance, beginning of period at Dec. 31, 2012	$ 10,865,731	$ 48,262	$ 4,995,278		$ 5,924,491	$ (102,300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid on common stock	(144,489)				(144,489)
Net unrealized holding loss	(41,014)			(41,014)
Proceeds from options exercised	46,713	553	46,160
Net income	691,502				691,502
Balance, end of period at Dec. 31, 2013	11,418,443	48,815	5,041,438	(41,014)	6,471,504	(102,300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid on common stock	(174,239)				(174,239)
Net unrealized holding loss	34,385			34,385
Net income	(804,838)
Balance, end of period at Dec. 31, 2014	$ 10,473,751	$ 48,815	$ 5,041,438	$ (6,629)	$ 5,492,427	$ (102,300)