Revenue From Contracts With Customers - Summary of Product and Service Revenue Disaggregated by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Product and service revenue	$ 35,716	$ 29,443
United States
Disaggregation Of Revenue [Line Items]
Product and service revenue	25,262	18,776
South Korea
Disaggregation Of Revenue [Line Items]
Product and service revenue	257	2,180
Europe
Disaggregation Of Revenue [Line Items]
Product and service revenue	5,585	4,409
Asia (Excluding South Korea)
Disaggregation Of Revenue [Line Items]
Product and service revenue	3,836	3,576
Other
Disaggregation Of Revenue [Line Items]
Product and service revenue	$ 776	$ 502