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9. Net Income Per Common Share
3 Months Ended
Mar. 31, 2016
Notes to Financial Statements  
9. Net Income Per Common Share

Basic net earnings per common share is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding. Diluted earnings per common share reflect, in periods in which they have a dilutive effect, the impact of common shares issuable upon exercise of stock options. The computation of diluted earnings per common share excludes those options with an exercise price in excess of the average market price of the Company’s common shares during the periods presented.

The computation of diluted earnings per common share excludes outstanding options in periods where the exercise of such options would be anti-dilutive. For the three months ended March 31, 2016 and 2015, the inclusion of 54,327 and 77,500 options, respectively, in the computation of diluted earnings per common share would have been anti-dilutive for the periods and, as a result, the weighted average number of common shares used in the calculation of diluted earnings per common share has not been adjusted for the effect of such options.

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

   Three months ended
   March 31,
   2016  2015
       
 Weighted average number of shares outstanding   7,322,385    7,318,271 
 Effect of dilutive securities, common share equivalents   38,179    26,292 
           
 Weighted average number of shares outstanding,          
 used for computing diluted earnings per share   7,360,564    7,344,563