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Note 2 - Income Per Share
9 Months Ended
Sep. 30, 2015
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note 2.
Income
Per Share
 
Basic income per share excludes dilution and is computed by dividing earnings available to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted income per share reflects the dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in our earnings. The calculation of diluted income per share includes all unexercised options and a de minimus number of unvested shares since the effect of any assumed exercise of the related awards would be anti-dilutive for the three and nine months ended September 30, 2015 and 2014, respectively. Income per share is the same for both Class A and Class B shares.
 
The following table sets forth for the periods indicated the calculation of net income per share included in the condensed consolidated statements of operations:
 
(in thousands except per share data)
 
Three months ended
September 30,
   
Nine months ended
September 30,
 
   
2015
   
2014
   
2015
   
2014
 
Numerator:
                               
Net income
  $ 7,627     $ 1,857     $ 28,855     $ 4,263  
Denominator:
                               
Denominator for basic earnings per share – weighted-average shares
    18,119       14,959       18,175       14,935  
Effect of dilutive securities:
                               
Equivalent shares issuable upon conversion of unvested restricted stock
    200       185       166       231  
Equivalent shares issuable upon conversion of unvested employee stock options
    1       1       5       -  
Denominator for diluted earnings per share – adjusted weighted-average shares and assumed conversions
    18,320       15,145       18,346       15,166  
                                 
Basic income per share:
  $ 0.42     $ 0.12     $ 1.59     $ 0.29  
Diluted income per share:
  $ 0.42     $ 0.12     $ 1.57     $ 0.28