Consolidated Statements of Stockholders' Equity Statement (USD $)	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock
Balance, at Dec. 31, 2010	$ 10,959,189	$ 47,042	$ 4,874,335	$ 6,140,112	$ (102,300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised	105,120	1,220	103,900
Stock option compensation	17,043		17,043
Net income (loss)	(351,680)			(351,680)
Balance, at Dec. 31, 2011	10,729,672	48,262	4,995,278	5,788,432	(102,300)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends paid on common stock	(240,632)			(240,632)
Net income (loss)	376,691			376,691
Balance, at Dec. 31, 2012	$ 10,865,731	$ 48,262	$ 4,995,278	$ 5,924,491	$ (102,300)