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Earnings Per Share (Details)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Basic earnings per share    
Weighted-average common shares (in shares) 1,924,148 1,909,723
Diluted earnings per share    
Weighted-average common shares (in shares) 1,924,148 1,909,723
Dilutive effect of stock compensation 0 0
Dilutive effect of stock options 0 0
Weighted-average common and incremental shares (in shares) 1,924,148 1,909,723
Number of stock options excluded from the calculation of earnings per share as the options' exercise prices were greater than the average market price of the Company's common stock 0 90,000