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WEIGHTED AVERAGE COMMON SHARES (Tables)
3 Months Ended
Mar. 31, 2019
WEIGHTED AVERAGE COMMON SHARES [Abstract]  
Weighted Average Numbers of Common Shares Used to Compute Basic and Diluted Loss Per Share
The weighted average number of common shares used to compute basic and diluted loss per share for the three months ended March 31, 2019 and 2018 was as follows:

  
Three Months Ended
March 31,
 
  
2019
  
2018
 
Basic shares outstanding
  
24,534,207
   
24,137,577
 
Dilutive effect of stock options
  
-
   
-
 
Diluted shares outstanding
  
24,534,207
   
24,137,577