Revenue (Tables)

12 Months Ended

Dec. 31, 2023

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 years ended December 31, 2023, 2022 and 2021:

	Year Ended December 31,
	2023		2022		2021
United States	$	53,558	$	39,915	$	11,313
Greater China	101,323		43,969		25,973
Europe	36,042		16,713		4,928
South Korea	18,768		3,728		1,006
Rest of North America	8,475		4,788		3,798
Rest of Asia Pacific	2,949		204		—
South America	2,054		1,480		1,394
Total	$	223,169	$	110,797	$	48,412

Schedule of Contract Liabilities

The following table presents the assets and liabilities associated with the engineering services contracts recorded on the consolidated balance sheet as of December 31, 2023 and 2022:

		December 31,
	Balance Sheet Classification	2023		2022
Unbilled revenue	Prepaid expenses and other current assets	$	8,506	$	3,623
Contract liabilities	Accrued expenses and other current liabilities	$	2,473	$	1,739

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 years ended December 31, 2023, 2022 and 2021:

	December 31,
	2023		2022		2021
Customer A	14.8	%	36.9	%	39.0	%