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Note 11 - Loss Per Share
 12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Earnings Per Share [Text Block]
11.
Loss per Share
 
The following table sets forth the computation of basic and diluted loss per share:
 
   
Year ended December 31
  
   
2019
    
2018
  
Numerator:
                
Net loss
  
$
(444,357
)
   $
(1,903,341
 )
Denominator:
                
Denominator for basic loss per share – weighted average shares
  
 
1,746,000
      
1,845,000
  
                 
Dilutive effect of employee stock options and other warrants
  
 
-
      
-
  
                 
Denominator for diluted loss per share – adjusted weighted average shares
  
 
1,746,000
      
1,845,000
  
                 
Basic loss per share
  
$
(0.25
)
   $
(1.03
 )
Diluted loss per share
  
$
(0.25
)
   $
(1.03
 )
 
For the years ended
December 31, 2019
and
2018,
options and warrants totaling
83,797
and
86,316,
respectively, shares of common stock were
not
included in the denominator for diluted loss per share because their effect would be anti-dilutive or because the shares were deemed contingently issuable.