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Note 5 - Earnings (Loss) Per Common Share (Tables)
9 Months Ended
Sep. 30, 2014
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,

 
   

2014

   

2013

   

2014

   

2013

 

Numerator

                               

Net income (loss)

  $ 3,676     $ (8,458

)

  $ 919     $ (22,222

)

Preferred stock dividends

    (138

)

    (138

)

    (414

)

    (414

)

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

  $ 3,538     $ (8,596

)

  $ 505     $ (22,636

)

                                 

Denominator

                               

Basic weighted average common shares

    359,472       342,638       348,801       310,601  

Dilutive warrants, stock options and restricted stock

    2,790             5,872        

Diluted weighted average common shares

    362,262       342,638       354,673       310,601  

Basic earnings (loss) per common share

                               

Net income (loss) applicable to common shares

  $ 0.01     $ (0.03

)

  $     $ (0.07

)

Diluted earnings (loss) per common share

                               

Net income (loss) applicable to common shares

  $ 0.01     $ (0.03

)

  $     $ (0.07

)