Summary of Significant Accounting Policies - Revenues Generated Following Geographic Regions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenue	$ 16,854	$ 11,309
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenue	16,854	11,309
Operating Segments | United States
Disaggregation of Revenue [Line Items]
Total revenue	9,624	6,724
Operating Segments | United Kingdom
Disaggregation of Revenue [Line Items]
Total revenue	1,726	1,606
Operating Segments | Brazil
Disaggregation of Revenue [Line Items]
Total revenue	1,938	975
Operating Segments | Rest of World
Disaggregation of Revenue [Line Items]
Total revenue	$ 3,566	$ 2,004