Income Taxes - Schedule of Pretax Income Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Net loss before incomes taxes	$ (16,973)	$ (9,402)
United States [Member]
Net loss before incomes taxes	(12,269)	(9,502)
United Kingdom [Member]
Net loss before incomes taxes	(4,683)	100
Other Foreign Jurisdictions [Member]
Net loss before incomes taxes	$ (213)