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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue [Abstract] |
Schedule of revenue disaggregated by geography |
|  | Year Ended December 31,
|  | 2021 |  | 2020
United States |  | $ | 11,313 |  | $ | 4,281
Greater China |  |  | 25,973 |  |  | 14,297
Latin America |  |  | 5,192 |  |  | 1,530
Rest of Asia Pacific |  |  | 1,006 |  |  | 1,478
Europe |  |  | 4,928 |  |  | 1,024
Total |  | $ | 48,412 |  | $ | 22,610
Schedule of liabilities associated with the engineering services contracts |
|  | December 31,
|  | 2021 |  | 2020
Deferred revenue |  | $ | 1,840 |  | $ | 1,665
Schedule of identified below, some of our customers |
|  | December 31,
|  | 2021 |  | 2020
Customer A |  | 39.0 | % |  | 57.0 | %
Customer B |  | 4.6 | % |  | 12.9 | %

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