Property, Plant and Equipment (Details) - Property, plant and equipment - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 3,025	$ 2,864
Less accumulated depreciation	692	572
Net property, plant and equipment	2,333	2,292
Machinery Fixture And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	2,990	2,839
Net property, plant and equipment	2,300
Leaseholds and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 35	$ 25