4. Earnings Per Share (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net Income
Income (Numerator)	$ 401,572	$ 11,581	$ 1,108,774	$ 768,518
Shares (Denominator)	19,506,886	19,469,317	19,491,274	19,453,932
Per-Share (Amount)	$ 0.02	$ 0.00	$ 0.06	$ 0.04
Less Preferred Stock Dividend
Income (Numerator)	24,682	(24,682)	74,318	(74,047)
Shares (Denominator)
Per-Share (Amount)
Earnings Per Share Basic-Income Available To Common Stockholders
Income (Numerator)	376,890	(13,101)	1,034,456	694,471
Shares (Denominator)
Per-Share (Amount)	$ 0.02	$ 0.00	$ 0.05	$ 0.04
Effects Of Dilutive Securities-Options
Income (Numerator)
Shares (Denominator)	197,438	323,170	197,438	323,170
Per-Share (Amount)
Effects Of Dilutive Securities-Convertible Preferred Stock
Income (Numerator)	24,682	24,682	74,318	74,047
Shares (Denominator)	366,666	366,666	366,666	366,666
Per-Share (Amount)
Diluted Earnings Per Share-Income Available To Common Stockholders And Assumed Conversions
Income (Numerator)	$ 401,572	$ 11,581	$ 1,108,774	$ 768,518
Shares (Denominator)	20,070,990	20,159,153	20,055,378	20,143,768
Per-Share (Amount)	$ 0.02	$ 0.00	$ 0.06	$ 0.04