Summary of Significant Accounting Policies - Schedule of Disaggregated by Geographical Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Total revenues	$ 1,868	$ 1,728
United States [Member]
Total revenues	1,184	986
Foreign [Member]
Total revenues	$ 684	$ 742