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Earnings Per Common Share
6 Months Ended
Jun. 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 and warrants to purchase 101,070 common shares, at exercise prices ranging from $3.23 to $5.75, and 244,083 common shares, at exercise prices ranging from $2.75 to $6.10, were outstanding as of June 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 June 30,   Six months ended
June 30,
     2013   2012   2013   2012
     (In thousands, except per share data)
Numerator:
                                   
Net income   $ 1,070     $ 1,432     $ 2,126     $ 2,997  
Preferred stock dividends     52       262       104       525  
Net income available to common shareholders   $ 1,018     $ 1,170     $ 2,022     $ 2,472  
Denominator:
                                   
Weighted average common shares outstanding
(basic)
    19,039       19,584       19,103       20,132  
Effect of stock options     89       68       89       54  
Weighted average common shares outstanding
(diluted)
    19,128       19,652       19,192       20,186  
Earnings per common share:
                                   
Basic   $ 0.05     $ 0.06     $ 0.11     $ 0.12  
Diluted     0.05       0.06       0.11       0.12