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Note 2 - Income Per Share (Tables)
3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(in thousands except per share data)

 

Three Months ended March 31,

 
   

2015

   

2014

 

Numerator:

               

Net income (loss)

  $ 10,227     $ (1,374 )

Denominator:

               

Denominator for basic earnings per share – weighted-average shares

    18,145       14,915  

Effect of dilutive securities:

               

Equivalent shares issuable upon conversion of unvested restricted stock

    147       -  

Equivalent shares issuable upon conversion of unvested employee stock options

    15       -  

Denominator for diluted earnings per share – adjusted weighted-average shares and assumed conversions

    18,307       14,915  
                 

Basic and diluted income (loss) per share:

  $ 0.56     $ (0.09 )