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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

)