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Earnings per share
 12 Months Ended
Dec. 31, 2023
Earnings per share [Abstract]  
Earnings per share
11. Earnings per share

Earnings per share was computed as follows (in thousands, except per share amounts):

   
Years Ended December 31,
  
 
2023
    
2022
  
Net income (loss)
  
$
4,748
 
$
(5,936
)
                 
Shares:
                
Basic:  Weighted average common shares outstanding
    
9,951
      
9,905
  
Add:  Dilutive effect of outstanding equity awards as determined by the treasury stock method
    
70
      
–
  
Diluted:  Weighted average common and common equivalent shares outstanding
    
10,021
      
9,905
  
                 
Net income (loss) per common share:
                
Basic
  
$
0.48
 
$
(0.60
)
Diluted
    
0.47
   
(0.60
)

The computation of diluted earnings per share excludes the effect of the potential exercise of stock awards, including stock options, restricted stock units and performance stock awards, when the average market price of the common stock is lower than the exercise price of the related stock award during the period.  These outstanding stock awards are not included in the computation of diluted earnings per share because the effect would be anti-dilutive.  Furthermore, in periods when a net loss is reported, such as in 2022, basic and diluted net loss per common share are calculated using the same method.  Anti-dilutive stock awards excluded from the computation of earnings per dilutive share were 1.1 million and 1.5 million at December 31, 2023 and 2022, respectively.