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Revenue (Tables) | 12 Months Ended
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Dec. 31, 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 years ended December 31, 2022 and 2021:
| Year Ended December 31,
| 2022 |  | 2021
United States | $ | 39,915 |  |  | $ | 11,313 |
Greater China | 43,969 |  |  | 25,973 |
Europe | 16,713 |  |  | 4,928 |
Rest of North America | 4,788 |  |  | 3,798 |
Rest of Asia Pacific | 3,932 |  |  | 1,006 |
South America | 1,480 |  |  | 1,394 |
Total | $ | 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, 2022 and 2021:
|  |  |  | December 31,
|  | Balance Sheet Classification |  | 2022 |  | 2021
Unbilled revenue |  | Prepaid expenses and other current assets |  | $ | 3,623 |  |  | $ | 402 |
Contract liabilities |  | Accrued expenses and other current liabilities |  | $ | 1,739 |  |  | $ | 1,840 |
Schedules of Customers Accounting for More Than 10% of Total Revenue | As identified below, one of our customers accounted for more than 10% of the Company’s total revenue for the years ended December 31, 2022 and 2021:
| December 31,
| 2022 |  | 2021
Customer A | 36.9 | % |  | 39.0 | %

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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