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PATENTS (Tables)
9 Months Ended
Sep. 30, 2022
Patents  
Schedule of patent
          
   September 30, 2022   December 31, 2021 
Gross carrying amount – patents  $8,473,000   $7,949,000 
Accumulated amortization – patents   (6,798,000)   (6,565,000)
Patents, net  $1,675,000   $1,384,000 
Schedule of future amortization of current intangible
      
Twelve Months Ended September 30, 
2023   $319,000 
2024    120,000 
2025    120,000 
2026    120,000 
2027    120,000 
          Thereafter    876,000 
                     Total   $1,675,000