Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Summary of Property, plant and equipment
Total	$ 160	$ 160
Less: accumulated depreciation and amortization	(160)	(150)
Total Property and Equipment, Net		10
Furniture and fixtures [Member]
Summary of Property, plant and equipment
Total	109	109
Computer and office equipment [Member]
Summary of Property, plant and equipment
Total	39	39
Software [Member]
Summary of Property, plant and equipment
Total	$ 12	$ 12