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The Company (Tables)
9 Months Ended
Sep. 30, 2025
The Company [Abstract]  
Accrued Warranty Costs Activity
The activity in the warranty accrual is summarized as follows (in thousands):

   
Three Months Ended
September 30,
   
Nine Months Ended
September 30,
 
   
2025
   
2024
   
2025
   
2024
 

                       
Balance, beginning of period
 
$
280
   
$
293
   
$
315
   
$
303
 
Additions
   
12
     
72
     
63
     
187
 
Expirations and claims satisfied
   
(79
)
   
(119
)
   
(165
)
   
(244
)
Total
   
213
     
246
     
213
     
246
 
Less current portion within accrued expenses and other current liabilities
   
(158
)
   
(165
)
   
(158
)
   
(165
)
Balance within deferred revenues and other liabilities
 
$
55
   
$
81
   
$
55
   
$
81
 
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,
 
   
2025
   
2024
 
             
Stock options
   
725,976
     
501,726
 
Common stock warrants
   
80,000
     
80,000
 
Restricted stock units
   
2,265
     
2,265
 
     
808,241
     
583,991