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Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 31,944 | $ 13,951 | $ 12,602
Revenue from contract with customer benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 100.00% | 100.00% | 100.00%
Revenue from contract with customer benchmark | Revenue Recognition Timing Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 100.00% | 100.00% | 100.00%
Revenue from contract with customer benchmark | Segment Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 100.00% | 100.00% | 100.00%
Autonomy Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 28,497 | $ 11,387 | $ 9,666
Autonomy Solutions | Revenue from contract with customer benchmark | Segment Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 89.00% | 82.00% | 77.00%
Components |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 3,447 | $ 2,564 | $ 2,936
Components | Revenue from contract with customer benchmark | Segment Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 11.00% | 18.00% | 23.00%
Recognized at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 8,892 | $ 2,639 | $ 9,666
Recognized at a point in time | Revenue from contract with customer benchmark | Revenue Recognition Timing Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 28.00% | 19.00% | 77.00%
Recognized over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 23,052 | $ 11,312 | $ 2,936
Recognized over time | Revenue from contract with customer benchmark | Revenue Recognition Timing Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 72.00% | 81.00% | 23.00%
North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 23,043 | $ 4,010 | $ 10,453
North America | Revenue from contract with customer benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 72.00% | 29.00% | 83.00%
Asia Pacific |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 2,502 | $ 906 | $ 469
Asia Pacific | Revenue from contract with customer benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 8.00% | 6.00% | 4.00%
Europe and Middle East |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 6,399 | $ 9,035 | $ 1,680
Europe and Middle East | Revenue from contract with customer benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue (as percent) | 20.00% | 65.00% | 13.00%

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