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Intangible Assets, net (Tables)
 9 Months Ended
Sep. 30, 2025
Intangible Assets, net [Abstract]  
Components of Intangible Assets
Intangible assets consist of the following (in thousands):

September 30, 2025
  
Gross Carrying
Value
    
Accumulated
Amortization
    
Net Book Value
  
                   
Core technology
  
$
5,700
    
$
(5,700
)
  
$
—
  
Product technology
     4,808      
(4,072
)
     736  
Customer relationships
    
6,900
      
(6,900
)
    
—
  
Tradenames
    
1,500
      
(1,500
)
    
—
  
Pharos customer lists
    
5,314
      
(1,827
)
    
3,487
  
   
$
24,222
    
$
(19,999
)
  
$
4,223
  

December 31, 2024
  
Gross Carrying
Value
    
Accumulated
Amortization
    
Net Book Value
  
                   
Core technology
  
$
5,700
    
$
(5,415
)
  
$
285
  
Product technology
    
4,808
      
(3,984
)
    
824
  
Customer relationships
    
6,900
      
(6,555
)
    
345
  
Tradenames
    
1,500
      
(1,425
)
    
75
  
Pharos customer lists
    
5,314
      
(1,495
)
    
3,819
  
   
$
24,222
    
$
(18,874
)
  
$
5,348
  
Estimated Future Amortization Expense for Intangible Assets
The following table summarizes the estimated future amortization expense for the above intangible assets, excluding the product technology intangible asset expected to be written off in the next quarter, for the next five years (in thousands):

Remaining 2025
  
$
111
  
2026
  
$
 443
  
2027
  
$
 443
  
2028
  
$
 443
  
2029
  
$
 443