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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and equipment
          
   December 31, 
   2021   2020 
         
Office equipment  $34,000   $36,000 
Furniture and fixtures   5,000    5,000 
Testing equipment   37,000    37,000 
Leasehold Improvements   25,000    25,000 
Subtotal   101,000    103,000 
Less accumulated depreciation   (92,000)   (87,000)
Total  $9,000   $16,000