Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 7,755	$ 5,947	$ 21,726	$ 12,528
United States
Disaggregation of Revenue [Line Items]
Revenue	4,037	2,288	8,463	6,349
Americas, excluding United States
Disaggregation of Revenue [Line Items]
Revenue	147	85	675	194
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Revenue	1,614	1,366	7,684	2,634
Asia and Pacific
Disaggregation of Revenue [Line Items]
Revenue	$ 1,957	$ 2,208	$ 4,904	$ 3,351

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details