XML 28 R18.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 3 - Net Income Per Common Share (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
    
Six Months Ended
  
   
June 30,
    
June 30,
  
(in thousands, except share and per share amounts)
  
2017
    
2016
    
2017
    
2016
  
Net income
   $
12,086
     $
10,691
     $
24,286
     $
21,353
  
                                 
Basic - weighted-average shares outstanding:
    
26,541,978
      
26,368,001
      
26,554,262
      
26,295,074
  
Effect of dilutive securities:
                                
Employee stock options and other
    
107,174
      
193,147
      
155,955
      
231,555
  
Diluted - weighted-average shares outstanding:
    
26,649,152
      
26,561,148
      
26,710,217
      
26,526,629
  
Net income per share:
                                
Basic
   $
0.46
     $
0.41
     $
0.91
     $
0.81
  
Diluted
   $
0.45
     $
0.40
     $
0.91
     $
0.80