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NOTE 8 - EARNINGS PER SHARE (Tables)
9 Months Ended
Sep. 30, 2020
Earnings Per Share [Abstract]  
Earnings per share
     Three Months Ended      Nine Months Ended  
    September 30,2020     September 30,2019     September 30,2020     September 30,2019  
(in thousands except per share data)                        
Numerator for basic and diluted earnings (loss) per share:                        
       Net income (loss)   $ (707 )   $ (844 )   $ (2,318 )   $ (691 )
                                 
Denominator for basic earnings (loss) per share:                                
       Weighted-average shares     8,394       8,217       8,305       8,259  
                                 
Employee stock options and awards     69       25       57       71  
                                 
Denominator for diluted earnings (loss) per share:                                
       Adjusted weighted-average shares & assumed conversions of stock options     8,463       8,242       8,362       8,330  
                                 
Basic and diluted earnings (loss) per share:                                
       Total basic earnings (loss) per share   $ (0.09 )   $ (0.10 )   $ (0.28 )   $ (0.08 )
       Total diluted earnings (loss) per share    $ (0.09 )   $ (0.10 )   $ (0.28 )   $ (0.08 )