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Note 6 - Earnings per Share
6 Months Ended
Jun. 30, 2012
Earnings Per Share [Text Block]
Note 6 – Earnings per Share

Basic net income per share is computed based on the weighted average number of common shares outstanding for each period presented.  Diluted net income per share reflects the potential dilution that would have occurred if securities to issue common stock were exercised, converted, or resulted in the issuance of common stock that would have then shared in our earnings.

The following table summarizes the earnings and the weighted average number of common shares used in the calculation of basic and diluted earnings per share.

   
Three Months Ended June 30
   
Six Months Ended June 30
 
   
2012
   
2011
   
2012
   
2011
 
(in thousands, except for share and per share amounts)
                       
Basic:
                       
Weighted average common shares outstanding
    13,845,516       13,796,715       13,842,797       13,738,748  
Net income
  $ 13,614     $ 13,611     $ 26,290     $ 32,335  
Dividends to preferred stockholders
    (2,168 )     (2,168 )     (4,336 )     (4,336 )
Net income available to common stockholders
    11,446       11,443       21,954       27,999  
Earnings per common share, basic
  $ .83     $ .83     $ 1.59     $ 2.04  
                                 
Diluted:
                               
Weighted average common shares outstanding
    13,845,516       13,796,715       13,842,797       13,738,748  
Dilutive effect of stock options
    9,126       14,368       9,500       14,464  
Dilutive effect of restricted stock
    3,431       5,108       5,805       6,939  
Dilutive effect of contingent issuable stock
    117,000             83,572        
Convertible preferred stock
                      2,623,552  
Assumed average common shares outstanding
    13,975,073       13,816,191       13,941,674       16,383,703  
                                 
Net income available to common stockholders
  $ 11,446     $ 11,443     $ 21,954     $ 27,999  
Add dilutive preferred stock dividends for effect of assumed conversion of preferred stock
                      4,336  
                                 
Net income for diluted earnings per common share
    11,446       11,443       21,954       32,335  
Earnings per common share, diluted
  $ .82     $ .83     $ 1.57     $ 1.97  

In the above table, options to purchase 1,282,271 and 1,394,379 shares of our common stock have been excluded for 2012 and 2011, respectively, due to their anti–dilutive impact.  We have excluded 2,623,329 of common shares issuable upon the conversion of preferred stock for the six months ended June 30, 2012 and for the three months ended June 30, 2012 and 2011 due to their anti–dilutive impact.