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The Company (Tables)
 9 Months Ended
Sep. 30, 2024
The Company [Abstract]  
Accrued Warranty Costs Activity
The activity in the warranty accrual is summarized as follows:

 
  
Three Months Ended
September 30,
    
Nine Months Ended
September 30,
  
 
  
2024
    
2023
     2024     2023  
                         
Balance, beginning of period
  
$
293
    
$
269
     $
303     $
207
  
Additions
    
72
      
72
       187       192  
Expirations and claims satisfied
    
(119
)
    
(47
)
     (244 )     (105 )
Total
    
246
      
294
       246       294  
Less current portion within accrued expenses and other current liabilities
    
(165
)
    
(180
)
     (165 )     (180 )
Balance within deferred revenues and other liabilities
  
$
81
    
$
114
     $
81     $
114  
Antidilutive Securities Excluded from Computation of Net Loss Per Share
The following potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, as they would be anti-dilutive:
 
    September 30,
 
 
   2024
     2023
  
             
Stock options
    501,726       505,462  
Common stock warrants
     80,000       80,000  
Restricted stock units
     2,265       26,676  

    583,991       612,138