Property, Plant and Equipment - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 4,522	$ 4,521
Less: Accumulated Depreciation	(3,506)	(3,434)
Total Property, Plant and Equipment, Net	1,016	1,087
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	462	462
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	289	289
Office Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	308	307
Computers and Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	946	946
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,517	$ 2,517