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Earnings per share (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings per share [Abstract]  
Earnings per Share
Earnings per share was computed as follows (in thousands, except per share amounts):

   
Year Ended December 31,
  
 
2021
    
2020
  
Net loss
  
$
(4,145
)
  
$
(5,630
)
                 
Shares:
                
Basic:  Weighted average common shares outstanding
    
9,298
      
7,827
  
Add:  Dilutive effect of outstanding equity awards as determined by the treasury stock method
    
–
      
–
  
Diluted:  Weighted average common and common equivalent shares outstanding
    
9,298
      
7,827
  
                 
Net loss per common share:
                
Basic
  
$
(0.45
)
  
$
(0.72
)
Diluted
    
(0.45
)
    
(0.72
)