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Intangible Assets
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets

Note 4. Intangible Assets

 

Intangible assets consist of the following at December 31:

 

   2024   2023 
Patent costs, subject to amortization  $768,000   $768,000 
Less: accumulated amortization   (714,000)   (651,000)
Patent costs, net   54,000    117,000 
Trademarks, not subject to amortization   124,000    124,000 
Total  $178,000   $241,000 

 

The amounts carried on the balance sheet represent cost to acquire, legal fees and similar costs relating to the patents incurred by the Company. Amortization is recorded through the expiration date of the patent. The amount charged to expenses for amortization of the patent costs was $63,000 for each of the years ended December 31, 2024 and 2023, respectively.

 

The Company expects to record $54,000 in amortization expense in 2025.