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Note 5 - Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended

March 31,

 
   

2014

   

2013

 

Numerator

               

Net income

  $ 11,641     $ 11,094  

Preferred stock dividends

    (138

)

    (138

)

Net income applicable to common shares for basic and diluted earnings per share

  $ 11,503     $ 10,956  
                 

Denominator

               

Basic weighted average common shares

    342,666       285,171  

Dilutive stock options and restricted stock

    7,352       11,993  

Diluted weighted average common shares

    350,018       297,164  

Basic earnings per common share

               

Net income applicable to common shares

  $ 0.03     $ 0.04  

Diluted earnings per common share

               

Net income applicable to common shares

  $ 0.03     $ 0.04