Annual report pursuant to Section 13 and 15(d)

4. Property and Equipment (Details)

v3.21.2
4. Property and Equipment (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Property and equipment, gross $ 103,000 $ 103,000
Less: accumulated depreciation (87,000) (80,000)
Property and equipment, net 16,000 23,000
Office equipment [Member]    
Property and equipment, gross 36,000 30,000
Furniture and fixtures [Member]    
Property and equipment, gross 5,000 5,000
Testing equipment [Member]    
Property and equipment, gross 37,000 37,000
Leasehold Improvements [Member]    
Property and equipment, gross $ 25,000 $ 25,000