Property, Plant and Equipment - Schedule of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property plant and equipment, gross	$ 1,641	$ 1,478
Less - accumulated depreciation and amortization	(1,165)	(1,099)
Net carrying amount	476	379
Computer Equipment [Member]
Property plant and equipment, gross	214	227
Office Furniture and Equipment [Member]
Property plant and equipment, gross	75	107
Machinery and Equipment [Member]
Property plant and equipment, gross	1,209	1,001
Leasehold Improvements [Member]
Property plant and equipment, gross	$ 143	$ 143