Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Product revenue	$ 8,558	$ 6,611
United States
Disaggregation of Revenue [Line Items]
Product revenue	2,863	1,858
North and South America, excluding United States
Disaggregation of Revenue [Line Items]
Product revenue	456	366
Asia and Pacific
Disaggregation of Revenue [Line Items]
Product revenue	2,356	1,254
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Product revenue	$ 2,883	$ 3,133

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.

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