Revenue (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables present revenue disaggregated by geography of the customer’s shipping location for the three and six months ended June 30, 2022 and 2021:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
United States	$	8,613	$	2,300	$	15,244	$	3,877
Greater China	11,142		5,222		20,259		10,209
Europe	3,601		605		7,654		811
Rest of Asia Pacific	1,236		136		1,561		575
Rest of North America	870		623		2,331		1,227
South America	293		294		705		595
Total revenue	$	25,755	$	9,180	$	47,754	$	17,294

Schedule of Contract Liabilities

The following table presents the liabilities associated with the engineering services contracts as of June 30, 2022 and December 31, 2021:

	June 30, 2022		December 31, 2021
Deferred revenue	$	1,768	$	1,840

Schedules of Customers Accounting for More Than 10% of Total Revenue

As identified below, some of our customers accounted for more than 10% of the Company’s total revenue for the three and six months ended June 30, 2022 and 2021:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Customer A	39.2	%	38.5	%	37.7	%	45.8	%
Customer B	—	%	12.6	%	—	%	12.5	%
Customer C	—	%	10.9	%	—	%	5.8	%