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Earnings Per Common Share
9 Months Ended
Sep. 30, 2013
Earnings Per Common Share [Abstract]  
Earnings Per Common Share

4. Earnings Per Common Share

Basic earnings per share include only the weighted average common shares outstanding. Diluted earnings per share include the weighted average common shares outstanding and any potentially dilutive common stock equivalent shares in the calculation. Treasury shares are treated as retired for earnings per share purposes. Options to purchase 101,070 common shares, at exercise prices ranging from $3.23 to $5.75, and 182,351 common shares, at exercise prices ranging from $2.75 to $5.75, were outstanding as of September 30, 2013 and 2012, respectively, but were not included in the computation of diluted earnings per common share because to do so would be antidilutive. Dividends on preferred shares are deducted from net income in the calculation of earnings per common share.

                 
    Three months ended September 30,   Nine months ended September 30,
     2013   2012   2013   2012
     (In thousands, except per share data)
Numerator:
                                   
Net income   $ 1,226     $ 1,307     $ 3,352     $ 4,304  
Preferred stock dividends     53       251       157       776  
Net income available to common shareholders   $ 1,173     $ 1,056     $ 3,195     $ 3,528  
Denominator:
                                   
Weighted average common shares outstanding (basic)     18,784       19,275       18,995       19,844  
Effect of stock options     94       76       91       60  
Weighted average common shares outstanding (diluted)     18,878       19,351       19,086       19,904  
Earnings per common share:
                                   
Basic   $ 0.06     $ 0.05     $ 0.17     $ 0.18  
Diluted     0.06       0.05       0.17       0.18