Property And Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 2,592	$ 2,562
Less Accumulated Depreciation	1,542	1,488
Total Property and Equipment	1,050	1,074
Construction in Progress - Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	0	90
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	274	273
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	503	414
Right-of-Use Asset [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	30	0
Building [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	1,370	1,370
Land [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 415	$ 415