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Basic and Diluted Loss per Share
3 Months Ended
Mar. 31, 2021
Basic and Diluted Loss per Share [Abstract]  
Basic and Diluted Loss per Share
Note 3 - Basic and Diluted Loss per Share

Basic earnings per share is based on the weighted average number of outstanding common shares for the period. Diluted earnings per share adjusts the weighted average shares outstanding for the potential dilution that could occur if outstanding vested stock options were exercised. Basic and diluted earnings per share are based on the weighted average number of outstanding shares for the period.

The weighted average number of common shares and common share equivalents used in the determination of basic and diluted loss per share were as follows:

(in thousands, except for share amounts)
 
Three months ended
 
  
March 31,
 
  
2021
  
2020
 
Numerator:
      
Net (loss) income attributed to common stockholders
 
$
(2,205
)
 
$
(6,258
)
         
Denominator:
        
Weighted-average shares outstanding for basic earnings per share
  
20,628,669
   
20,342,933
 
         
Effect of dilutive securities:
        
Employee stock options and warrants
  
-
   
-
 
         
Adjusted weighted-average shares outstanding and assumed conversions for diluted earnings per share
  
20,628,669
   
20,342,933
 
         
Shares related to dilutive securities excluded because inclusion would be anti-dilutive
  
43,937
   
59,421