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Note 5 - Net Income per Share
3 Months Ended
Mar. 31, 2013
Earnings Per Share [Text Block]
5. Net Income per Share — Basic net income per share excludes dilution and is computed by dividing net income by the weighted average number of common shares outstanding for the period. Diluted net income per share reflects the potential dilution that would occur if outstanding securities or other contracts to issue common stock were exercised or converted into common stock, and calculated using the treasury stock method.  The Company has securities outstanding, which could potentially dilute basic net income per share in the future, but were excluded from the computation of diluted net income per share in the periods presented, as their effect would have been anti-dilutive. The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):

   
Three months ended March 31,
 
   
2013
   
2012
 
Numerator:
           
Net income
  $ 2,499     $ 2,995  
                 
Denominator:
               
Weighted average outstanding shares used to compute basic net income per share
    36,259       34,105  
Effect of dilutive securities
    1,449       1,433  
Weighted average outstanding shares used to compute diluted net income per share
    37,708       35,538  
                 
Net income per share - basic
  $ 0.07     $ 0.09  
Net income per share - diluted
  $ 0.07     $ 0.08  

For the three months ended March 31, 2013 and 2012, approximately 0.2 million and 2.1 million weighted common stock equivalents, respectively, were excluded from the calculation of diluted net income per share because their inclusion would have been anti-dilutive.