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Intangible Assets
9 Months Ended
Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
5. Intangible Assets
Intangible assets as of September 30, 2025 and December 31, 2024 are comprised of the following (in thousands):
 
    
September 30, 2025
 
    
Gross
amount
    
Accumulated
amortization
    
Net
amount
 
Intellectual property assets
   $ 7,886      $ (7,388    $ 498  
  
 
 
    
 
 
    
 
 
 
Intangible assets
   $ 7,886      $ (7,388    $ 498  
  
 
 
    
 
 
    
 
 
 
    
December 31, 2024
 
    
Gross
amount
    
Accumulated
amortization
    
Net
amount
 
Intellectual property assets
   $ 7,599      $ (7,092    $ 507  
  
 
 
    
 
 
    
 
 
 
Intangible assets
   $ 7,599      $ (7,092    $ 507  
  
 
 
    
 
 
    
 
 
 
Aggregate amortization expenses associated with continuing operations totaled $194 thousand and $238 thousand for the nine months ended September 30, 2025 and 2024, respectively.