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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 are as follows (in thousands):
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Revenue by primary geographical market: |  |  |  |  |  |  |  |
United States |  | $ | 2,215 |  |  | $ | 330 |
Germany |  |  | 536 |  |  |  | 25 |
Other European countries |  |  | 111 |  |  |  | 110 |
Asia |  |  | 145 |  |  |  | 1,114 |
Total |  | $ | 3,007 |  |  | $ | 1,579 |
Revenue by timing of recognition: |  |  |  |  |  |  |  |
Recognized at a point in time |  | $ | 2,991 |  |  | $ | 1,515 |
Recognized over time |  |  | 16 |  |  |  | 64 |
Total |  | $ | 3,007 |  |  | $ | 1,579 |
Schedule of Contract Liabilities | Contract liabilities consisted of the following as of December 31, 2021 (in thousands):
|  | As of December 31, 2021 |
Contract liabilities, current |  | $ | 2,287 |
Contract liabilities, noncurrent |  |  | 631 |
Total |  | $ | 2,918 |
The following table shows the significant changes in contract liabilities balance as of December 31, 2021 and 2020 (in thousands):
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Beginning balance |  | $ | 660 |  |  | $ | 950 |
Revenue recognized that was included in the contract liabilities beginning balance |  |  | (570 | ) |  |  | (450 | )
Increase due to invoices issued on performance obligations not yet satisfied during the period |  |  | 2,828 |  |  |  | 160 |
Ending balance |  | $ | 2,918 |  |  | $ | 660 |

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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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