Annual report [Section 13 and 15(d), not S-K Item 405]

Patents (Tables)

v3.25.4
Patents (Tables)
12 Months Ended
Dec. 31, 2025
Patents  
Schedule of patent
               
    2025     2024  
Gross carrying amount   $ 8,887,000     $ 8,473,000  
Accumulated amortization     (7,408,000 )     (7,268,000 )
Patents, net   $ 1,479,000     $ 1,205,000  
Schedule of future amortization of intangible assets
         
For the years ended December 31,        

 

2026

    $ 147,000  
2027       146,000  
2028       143,000  
2029       143,000  
2030       143,000  
Thereafter       757,000  
Total     $ 1,479,000