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Note 2 - Earnings Per Common Share
 3 Months Ended
Mar. 31, 2012
Earnings Per Share [Text Block]
(2)  Earnings Per Common Share

              Basic and diluted earnings per common share were computed as follows:

   
Three Months
Ended March 31,
 
(In thousands, except per share amounts)
 
2012
   
2011
 
Numerator:
           
          Net income
 
$
5,446
   
$
4,095
 
Denominator:
               
Basic earnings per common share - weighted-average shares
   
 22,033
     
21,964
 
Effect of dilutive stock options
   
108
     
107
 
Diluted earnings per common share - weighted-average shares and assumed conversions
   
 22,141
     
22,071
 
                 
Basic earnings per common share
 
$
0.25
   
$
0.19
 
Diluted earnings per common share
 
$
0.25
   
$
0.19
 

             Options totaling 272,500 and 350,800 shares for the three-month periods ended March 31, 2012 and March 31, 2011, respectively, were outstanding but were not included in the calculation of diluted earnings per share because including the options in the denominator would be antidilutive, or decrease the number of weighted-average shares, due to their exercise prices exceeding the average market price of the common shares or due to inclusion of average unrecognized compensation expense in the calculation.

Unvested performance unit awards totaling 35,680 and 15,850 shares for the three-month periods ended March 31, 2012 and March 31, 2011, respectively, were considered outstanding but were not included in the calculation of diluted earnings per share because inclusion of average unrecognized compensation expense in the calculation would cause the performance units to be antidilutive.