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Note 14 - Revenue | 6 Months Ended
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Jun. 30, 2025
Notes to Financial Statements |
Revenue from Contract with Customer [Text Block] |
14. | REVENUE
Sale of Prototypes The Company recorded revenue for prototype sales of $22 and $22 in the three and six months ended June 30, 2025, respectively, and $6 and $26 in the three and six months ended June 30, 2024, respectively. The Company does not incur significant contract costs in fulfilling or obtaining its contracts with customers. D evelopment Contracts The Company has entered into research and development contracts as well as a sales, marketing and technical support services contract with companies in both the Automotive and in Non-Automotive industries. The Company assessed the number of performance obligations associated with the promises under each agreement, primarily the delivery of customized perception-related goods and services, and recognized $0 and $64 in revenue for performance obligations that had been satisfied as of the three and six months ended June 30, 2025, respectively, and $26 during both the three and six months ended June 30, 2024 in the condensed consolidated statements of operations and comprehensive loss. Disaggregation of Revenue The Company recognized the following revenues by geographic area based on the primary billing address of the customer and by the timing of the transfer of goods or services to customers (point in time or over time), as it believes such criteria best depict 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 is as follows (in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Revenue by primary geographical market: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 5 |  |  | $ | 26 |  |  | $ | 5 |  |  | $ | 41 |
Europe |  |  | 1 |  |  |  | 6 |  |  |  | 65 |  |  |  | 11 |
Asia-Pacific |  |  | 16 |  |  |  | — |  |  |  | 16 |  |  |  | — |
Total |  | $ | 22 |  |  | $ | 32 |  |  | $ | 86 |  |  | $ | 52 |
Revenue by timing of recognition: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognized at a point in time |  | $ | 22 |  |  | $ | 6 |  |  | $ | 22 |  |  | $ | 26 |
Recognized over time |  |  | — |  |  |  | 26 |  |  |  | 64 |  |  |  | 26 |
Total |  | $ | 22 |  |  | $ | 32 |  |  | $ | 86 |  |  | $ | 52 |
Contract Liabilities The Company had $0 and $74 in contract liabilities balance as of June 30, 2025 and 2024. There were no remaining performance obligations as of June 30, 2025 and December 31, 2024. Remaining Performance Obligations Revenue allocated to remaining performance obligations represents the transaction price allocated to the performance obligations that are unsatisfied, or partially unsatisfied. It includes unearned revenue and amounts that will be invoiced and recognized as revenue in future periods and does not include contracts where the customer is not committed. The customer is not considered committed where they are able to terminate for convenience without payment of a substantive penalty under the contract. Additionally, as a practical expedient, the Company has not disclosed the value of unsatisfied performance obligations for contracts with an original expected length of one year or less. The contract liabilities balance represents the remaining performance obligations for contracts with an original duration of greater than one year.

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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 -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-15 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-12 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 606 -Publisher FASB -URI https://asc.fasb.org/606/tableOfContent + Details
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