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Property, Plant and Equipment, net (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Property, Plant and Equipment, net (Details) [Line Items]          
Depreciation $ 59,000 $ 54,000 $ 194,000 $ 162,000  
Equipment [Member]          
Property, Plant and Equipment, net (Details) [Line Items]          
Pledged Assets, Other, Not Separately Reported on Statement of Financial Position $ 2,300,000   $ 2,300,000   $ 2,300,000