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Revenue | 12 Months Ended
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Dec. 31, 2021
Revenue From Contract With Customer [Abstract] |
Revenue | Note 3. Revenue Disaggregation of Revenues The Company disaggregates its revenue from contracts with customers by geographic region based on the primary billing address of the customer and timing of the transfer of goods or services to customers (point-in-time or over time), as it believes it best depicts how the nature, amount, timing and uncertainty of its revenue and cash flows are affected by economic factors. Total revenue based on the disaggregation criteria described above 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 |  | $ | 8,816 |  |  |  | 95 | % |  | $ | 4,225 |  |  |  | 88 | % |  | $ | 542 |  |  |  | 39 | %
Europe |  |  | 232 |  |  |  | 3 | % |  |  | 497 |  |  |  | 10 | % |  |  | 842 |  |  |  | 61 | %
Asia |  |  | 217 |  |  |  | 2 | % |  |  | 121 |  |  |  | 2 | % |  |  | — |  |  |  | 0 | %
Total |  | $ | 9,265 |  |  |  | 100 | % |  | $ | 4,843 |  |  |  | 100 | % |  | $ | 1,384 |  |  |  | 100 | %
Revenue by timing of recognition: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized at a point in time |  | $ | 1,776 |  |  |  | 19 | % |  | $ | 1,534 |  |  |  | 32 | % |  | $ | 819 |  |  |  | 59 | %
Recognized over time |  |  | 7,489 |  |  |  | 81 | % |  |  | 3,309 |  |  |  | 68 | % |  |  | 565 |  |  |  | 41 | %
Total |  | $ | 9,265 |  |  |  | 100 | % |  | $ | 4,843 |  |  |  | 100 | % |  | $ | 1,384 |  |  |  | 100 | %
For the year ended Decemb er 31, 2021, one customer accounted for 80% of the Company’s revenue. For the year ended December 31, 2020, three customers accounted for 65%, 11%, and 10%, respectively, of the Company’s revenue. For the year ended December 31, 2019, two customers accounted for 53% and 12%, respectively, of the Company’s revenue. Contract Assets and Contract Liabilities As of December 31, 2021, and December 31, 2020, the Company had contract assets of $4.1 million and $0.6 million, respectively, recognized in other current assets. A contract liability of $0.1 million as of December 31, 2020, was recognized in other current liabilities. The Company had no contract liability, as of December 31, 2021.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 + Details
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