Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment, Gross	$ 8,581	$ 8,353
Less: Accumulated depreciation	(6,252)	(5,854)
Total property, plant and equipment, net	2,329	2,499
Land [Member]
Property, Plant and Equipment, Gross	504	504
Building Improvements [Member]
Property, Plant and Equipment, Gross	$ 3,113	3,059
Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Estimated Useful Life	10 years
Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Estimated Useful Life	39 years
Machinery [Member]
Property, Plant and Equipment, Gross	$ 4,285	4,126
Machinery [Member] \| Minimum [Member]
Property, Plant and Equipment, Estimated Useful Life	3 years
Machinery [Member] \| Maximum [Member]
Property, Plant and Equipment, Estimated Useful Life	7 years
Computer Equipment [Member]
Property, Plant and Equipment, Gross	$ 472	457
Computer Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Estimated Useful Life	3 years
Computer Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Estimated Useful Life	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Gross	$ 207	$ 207
Property, Plant and Equipment, Estimated Useful Life	5 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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