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Note 3 - Net Income Per Common Share
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note
3
– Net Income per Common Share
 
Basic net income per share is computed based on the weighted-average number of common shares outstanding. Diluted net income per share is computed based on the weighted-average number of common shares outstanding, increased by the number of additional shares that would have been outstanding had potentially dilutive common shares been issued and reduced by the number of shares the Company could have repurchased from the proceeds from issuance of the potentially dilutive shares. Potentially dilutive shares of common stock include stock options, restricted stock units and restricted stock awards granted under stock-based compensation plans and shares committed to be purchased under the employee stock purchase plan. Performance Stock Units are excluded from the calculation of dilutive potential common shares until the performance conditions have been satisfied.
 
The table below sets forth the computation of basic and diluted net income per share:
 

 
   
Three Months Ended
   
Nine Months Ended
 
   
September 30,
   
September 30,
 
(in thousands, except share and per share amounts)
 
2017
   
2016
   
2017
   
2016
 
Net income
  $
13,220
    $
11,982
    $
37,506
    $
33,335
 
                                 
Basic - weighted-average shares outstanding:
   
26,617,349
     
26,416,041
     
26,600,174
     
26,334,738
 
Effect of dilutive securities:
                               
Employee stock options and other
   
184,685
     
193,837
     
116,379
     
204,340
 
Diluted - weighted-average shares outstanding:
   
26,802,034
     
26,609,878
     
26,716,553
     
26,539,078
 
Net income per share:
                               
Basic
  $
0.50
    $
0.45
    $
1.41
    $
1.27
 
Diluted
  $
0.49
    $
0.45
    $
1.40
    $
1.26