Revenue From Contracts With Customers - Summary of Product and Service Revenue Disaggregated by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Disaggregation Of Revenue [Line Items]
Product and service revenue	$ 8,641	$ 6,623
United States
Disaggregation Of Revenue [Line Items]
Product and service revenue	6,010	4,264
South Korea
Disaggregation Of Revenue [Line Items]
Product and service revenue	278	9
Europe
Disaggregation Of Revenue [Line Items]
Product and service revenue	1,415	1,538
Asia (Excluding South Korea)
Disaggregation Of Revenue [Line Items]
Product and service revenue	884	708
Other
Disaggregation Of Revenue [Line Items]
Product and service revenue	$ 54	$ 104

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details