XML 29 R19.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 7 - Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended September 30,
    
Nine Months Ended September 30,
  
   
2017
    
2016
    
2017
    
2016
  
Net earnings used in the computation of basic and diluted earnings per share
   $
4,962,000
     $
4,447,000
     $
13,138,000
     $
10,197,000
  
                                 
Weighted average shares outstanding - basic
    
14,573,813
      
14,118,354
      
14,475,311
      
14,055,345
  
Common stock equivalents
    
655,909
      
865,730
      
591,305
      
814,726
  
Weighted average shares outstanding - diluted
    
15,229,722
      
14,984,084
      
15,066,616
      
14,870,071
  
Per Share Data:
                                
Basic
                                
Net earnings
   $
0.34
     $
0.31
     $
0.91
     $
0.73
  
Diluted
                                
Net earnings
   $
0.33
     $
0.30
     $
0.87
     $
0.69