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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | Total revenue based on the disaggregation criteria described above, as well as revenue by segment, are as follows (in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
| Revenue |  | % of Revenue |  | Revenue |  | % of Revenue |  | Revenue |  | % of Revenue
Revenue by primary geographical market:
North America | $ | 23,043 |  |  | 72 | % |  | $ | 4,010 |  |  | 29 | % |  | $ | 10,453 |  |  | 83 | %
Asia Pacific | 2,502 |  |  | 8 | % |  | 906 |  |  | 6 | % |  | 469 |  |  | 4 | %
Europe and Middle East | 6,399 |  |  | 20 | % |  | 9,035 |  |  | 65 | % |  | 1,680 |  |  | 13 | %
Total | 31,944 |  |  | 100 | % |  | 13,951 |  |  | 100 | % |  | 12,602 |  |  | 100 | %
Revenue by timing of recognition:
Recognized at a point in time | 8,892 |  |  | 28 | % |  | 2,639 |  |  | 19 | % |  | 9,666 |  |  | 77 | %
Recognized over time | 23,052 |  |  | 72 | % |  | 11,312 |  |  | 81 | % |  | 2,936 |  |  | 23 | %
Total | 31,944 |  |  | 100 | % |  | 13,951 |  |  | 100 | % |  | 12,602 |  |  | 100 | %
Revenue by segment:
Autonomy Solutions | 28,497 |  |  | 89 | % |  | 11,387 |  |  | 82 | % |  | 9,666 |  |  | 77 | %
Components | 3,447 |  |  | 11 | % |  | 2,564 |  |  | 18 | % |  | 2,936 |  |  | 23 | %
Total | 31,944 |  |  | 100 | % |  | 13,951 |  |  | 100 | % |  | 12,602 |  |  | 100 | %
Schedule of Opening and Closing Balances of Contract Liabilities and Significant Changes in Contract Liabilities | The significant changes in contract assets balances consisted of the following (in thousands):
| December 31,
| 2021 |  | 2020
Beginning balance | $ | — |  |  | $ | — |
Revenue recognized for performance obligations that have been satisfied but for which amounts have not been billed | 9,907 |  |  | — |
Ending balance | $ | 9,907 |  |  | $ | — |
The significant changes in contract liabilities balances consisted of the following (in thousands):
| December 31,
| 2021 |  | 2020
Beginning balance | $ | 2,284 |  |  | $ | 225 |
Revenue recognized that was included in the contract liabilities beginning balance | (1,792) |  |  | (225) |
Increase due to cash received and not recognized as revenue and billings in excess of revenue recognized during the period | 406 |  |  | 2,284 |
Ending balance | $ | 898 |  |  | $ | 2,284 |

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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 http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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