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Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets

Intangible assets consist of the following at December 31:

 

   2023   2022 
Patent costs, subject to amortization  $768,000   $768,000 
Less: accumulated amortization   (651,000)   (586,000)
Patent costs, net   117,000    182,000 
Trademarks, not subject to amortization   124,000    124,000 
Total  $241,000   $306,000 
Schedule of Estimated Future Amortization Expense Related to Intangible Property

Estimated future amortization expense related to patents as of December 31, 2023, is as follows:

 

   

Total

Amortization

  
Years ending December 31,        
2024   $ 64,000  
2025     49,000  
2026     4,000  
Intangible asset, net of amortization   $ 117,000