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Note 5 - Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2013
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,

 
   

2013

   

2012

   

2013

   

2012

 

Numerator

                               

Net income (loss)

  $ (8,458

)

  $ (885

)

  $ (22,222

)

  $ 14,211  

Preferred stock dividends

    (138

)

    (138

)

    (414

)

    (414

)

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

  $ (8,596

)

  $ (1,023

)

  $ (22,636

)

  $ 13,797  
                                 

Denominator

                               

Basic weighted average common shares

    342,638       285,492       310,601       285,400  

Dilutive stock options and restricted stock

                      11,339  

Diluted weighted average common shares

    342,638       285,492       310,601       296,739  

Basic earnings per common share

                               

Net income applicable to common shares

  $ (0.03

)

  $     $ (0.07

)

  $ 0.05  

Diluted earnings per common share

                               

Net income applicable to common shares

  $ (0.03

)

  $     $ (0.07

)

  $ 0.05