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10 - NET INCOME(LOSS) PER SHARE
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
10  -  NET INCOME(LOSS) PER SHARE

The following data shows a reconciliation of the numerators and the denominators used in computing income(loss) per share and the weighted average number of shares of potentially dilutive common stock.

   
Year ended December 31,
  
   
2017
    
2016
  
             
Net income(loss) available to common shareholders used in basic and diluted income(loss) per share
  
$
701,000
    
$
(3,111,000
)
Weighted average number of common shares used in basic income(loss) per share (Class A and B shares)
    
5,550,847
      
5,539,385
  
Basic income(loss) per share (Class A and B shares)
  
$
0.13
    
$
(0.56
)
                 
Effect of dilutive securities:
                
Options
    
331,000
      
-
  
Weighted average number of common shares and dilutive potential common shares used in diluted income(loss) per share (Class A and B shares)
    
5,881,847
      
5,539,385
  
Diluted income(loss) per share
  
$
0.12
    
$
(0.56
)