Revenue From Contracts With Customers - Summary of Product and Service Revenue Disaggregated 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]
Product and service revenue	$ 8,271	$ 6,276	$ 25,215	$ 20,840
United States
Disaggregation Of Revenue [Line Items]
Product and service revenue	5,743	4,367	17,112	12,434
South Korea
Disaggregation Of Revenue [Line Items]
Product and service revenue	9	74	34	2,170
Europe
Disaggregation Of Revenue [Line Items]
Product and service revenue	934	805	4,455	3,380
Asia (Excluding South Korea)
Disaggregation Of Revenue [Line Items]
Product and service revenue	1,104	932	2,940	2,483
Other
Disaggregation Of Revenue [Line Items]
Product and service revenue	$ 481	$ 98	$ 674	$ 373