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Note 12 - Earnings per Common Share (Tables)
9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended September 30,

   

Nine Months Ended September 30,

 

(Dollars in thousands, except per share data)

 

2015

   

2014

   

2015

   

2014

 

Weighted average number of common shares outstanding used in basic earnings per common share calculation

    4,142       4,067       4,118       4,053  

Net dilutive effect of:

                               

Options

    505       520       514       499  

Restricted stock awards

    26       62       40       57  

Weighted average number of shares outstanding adjusted for effect of dilutive securities

    4,673       4,649       4,672       4,609  

Income available to common shareholders

  $ 820       1,178       1,758       4,283  

Basic earnings per common share

  $ 0.20       0.29       0.43       1.06  

Diluted earnings per common share

  $ 0.18       0.25       0.38       0.93