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NOTE 8 - EARNINGS PER SHARE (Tables)
9 Months Ended
Sep. 30, 2018
Note 8 - Earnings Per Share  
EARNINGS PER SHARE
   Three Months Ended  Nine Months Ended
   Sep. 30,
2018
  Sep. 30,
2017
  Sep. 30,
2018
  Sep. 30,
2017
(in thousands except per share data)            
Numerator for basic and diluted                    
earnings per share:                    
      Net income  $342   $1,728   $958   $3,913 
                     
Denominator for basic                    
earnings per share:                    
      Weighted-average shares   8,439    8,201    8,361    8,112 
                     
Employee stock options and awards   68    266    155    288 
                     
Denominator for diluted                    
earnings per share:                    
      Adjusted weighted-average shares &                    
      assumed conversions of stock options   8,507    8,467    8,516    8,400 
                     
Basic and diluted                    
earnings per share:                    
      Total basic earnings per share  $0.04   $0.21   $0.11   $0.48 
      Total diluted earnings per share  $0.04   $0.20   $0.11   $0.47