Earnings Per Common Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Calculated basic and diluted earnings per common share
Net income available to common shareholders	$ (388,708)	$ 158,585	$ (1,201,365)	$ 193,887
Weighted average common shares outstanding	10,234,003	9,711,258	10,051,429	9,806,899
Net effect of assumed exercise of stock options based on the treasury stock method using the average market price for the period	104,843	111,481	104,843	111,481
Average number of common shares outstanding used to calculate diluted earnings per common share	10,338,846	9,822,739	10,156,272	9,918,380