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Revenue (Tables)
 9 Months Ended
Sep. 30, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following tables present revenue disaggregated by geography of the customer’s shipping location for the three and nine months ended September 30, 2024 and 2023:

Three Months Ended
September 30,		Nine Months Ended
September 30,
2024202320242023
United States$10,317 $12,118 $29,139 $36,764 
Greater China21,531 27,639 66,881 66,925 
South Korea1,745 5,024 9,297 14,616 
Europe8,768 11,720 27,155 24,213 
Rest of North America1,113 2,766 4,130 7,109 
Rest of Asia Pacific9,972 806 20,309 1,783 
South America519 403 1,762 1,626 
Total$53,965 $60,476 $158,673 $153,036 
Schedule of Contract Liabilities
The following table presents the assets and liabilities associated with the engineering services contracts recorded on the condensed consolidated balance sheet as of September 30, 2024 and December 31, 2023:
Balance Sheet ClassificationSeptember 30,
2024		December 31,
2023
Unbilled revenuePrepaid expenses and other current assets$9,023 $8,506 
Contract liabilitiesAccrued expenses and other current liabilities$3,070 $2,473 
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 nine months ended September 30, 2023, and no customers accounted for more than 10% of the Company’s total revenue for the three and nine months ended September 30, 2024:

Three Months Ended
September 30,		Nine Months Ended
September 30,
2024202320242023
Customer A9.6 %13.7 %9.3 %14.4 %
Customer B— %10.9 %4.8 %9.5 %
Customer C— %10.2 %— %6.5 %