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10. Net Income Per Common Share (Tables)
9 Months Ended
Sep. 30, 2013
Earnings per common share:  
Schedule of Net Income Per Common Share

The reconciliation of the weighted average number of shares of Common Stock used in the calculation of basic and diluted earnings per common share follows:

 

    Three months ended     Nine months ended  
    September 30,     September 30,  
    2013     2012     2013     2012  
                         
Weighted average number of shares outstanding     3,811,243       3,824,461       3,826,510       3,794,979  
Effect of dilutive securities, common share equivalents     76,597       111,706       76,917       89,193  
                                 
Weighted average number of shares outstanding,                          
used for computing diluted earnings per share     3,887,840       3,936,167       3,903,427       3,884,172