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Fixed Assets (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Machinery and equipment $ 857,000 $ 853,000
Office furniture and equipment 193,000 186,000
Leasehold improvements 150,000 150,000
Right of use asset-operating leases 637,000 637,000
Accumulated depreciation and amortization (1,452,000) (1,369,000)
Property, Plant and Equipment, Net, Total $ 385,000 $ 457,000