Revenue - Summary of Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,137	$ 308
% of Revenue	100.00%	100.00%
Recognized at a point in time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 211	$ 293
% of Revenue	19.00%	95.00%
Recognized over time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 926	$ 15
% of Revenue	81.00%	5.00%
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,111	$ 201
% of Revenue	98.00%	65.00%
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 26	$ 15
% of Revenue	2.00%	5.00%
Asia [Member]
Disaggregation Of Revenue [Line Items]
Revenue		$ 92
% of Revenue	0.00%	30.00%