Revenue - Summary of Disaggregated Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation Of Revenue [Line Items]
Revenue	$ 810	$ 1,374	$ 2,701	$ 4,004
% of Revenue	100.00%	100.00%	100.00%	100.00%
Recognized at a point in time [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 810	$ 625	$ 2,267	$ 1,302
% of Revenue	100.00%	45.00%	84.00%	33.00%
Recognized over time [Member]
Disaggregation Of Revenue [Line Items]
Revenue		$ 749	$ 434	$ 2,702
% of Revenue	0.00%	55.00%	16.00%	67.00%
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 445	$ 1,119	$ 1,464	$ 3,640
% of Revenue	55.00%	81.00%	54.00%	91.00%
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 168	$ 233	$ 569	$ 317
% of Revenue	21.00%	17.00%	21.00%	8.00%
Asia [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 197	$ 22	$ 668	$ 47
% of Revenue	24.00%	2.00%	25.00%	1.00%