Revenue - Summary of Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,374	$ 3,483	$ 4,004	$ 6,392
% of Revenue	100.00%	100.00%	100.00%	100.00%
Recognized at a point in time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 625	$ 531	$ 1,302	$ 1,065
% of Revenue	45.00%	15.00%	33.00%	17.00%
Recognized over time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 749	$ 2,952	$ 2,702	$ 5,327
% of Revenue	55.00%	85.00%	67.00%	83.00%
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,119	$ 3,461	$ 3,640	$ 6,143
% of Revenue	81.00%	99.00%	91.00%	96.00%
EMEA [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 233	$ 22	$ 317	$ 77
% of Revenue	17.00%	1.00%	8.00%	1.00%
Asia [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 22	$ 0	$ 47	$ 172
% of Revenue	2.00%	0.00%	1.00%	3.00%