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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets

Intangible assets consist of the following at December 31:

 

   2022   2021 
Patent costs, subject to amortization  $768,000   $768,000 
Less: accumulated amortization   (586,000)   (522,000)
Patent costs, net   182,000    246,000 
Trademarks, not subject to amortization   124,000    124,000 
Total  $306,000   $370,000 
Schedule of Estimated Future Amortization Expense Related to Intangible Property

Estimated future amortization expense related to patents as of December 31, 2022, is as follows:

 

   

Total

Amortization

 
Years ending December 31,      
2023   $64,000 
2024    64,000 
2025    49,000 
2026    5,000 
Intangible asset, net of amortization   $182,000