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Property and Equipment
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment

 

2. Property and Equipment

 

At December 31, 2021 and 2020, property and equipment consists of the following:

          
   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 

 

Depreciation expense for the years ended December 31, 2021 and 2020 was $7,000 and $7,000, respectively.