Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net (Details)

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Property and Equipment, Net (Details) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Total cost $ 4,476,000 $ 4,476,000
Less accumulated depreciation (2,056,000) (1,816,000)
Net 2,420,000 2,660,000
Property, Plant and Equipment [Member] | Machinery and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total cost 4,225,000 4,225,000
Property, Plant and Equipment [Member] | Office furniture and fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total cost 49,000 49,000
Property, Plant and Equipment [Member] | Computer equipment and software [Member]    
Property, Plant and Equipment [Line Items]    
Total cost $ 202,000 $ 202,000