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Fixed Assets - Summary (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Fixed Assets    
Machinery and equipment $ 720,000 $ 762,000
Office furniture and equipment 180,000 180,000
Leasehold improvements 149,000 149,000
Right of use asset-operating leases 1,140,000 1,140,000
Property, Plant and Equipment, Gross, Total 2,189,000 2,231,000
Accumulated depreciation and amortization (1,719,000) (1,566,000)
Property, Plant and Equipment, Net, Total $ 470,000 $ 665,000