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Segment and Geographic Information (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Dec. 31, 2025
Segment Reporting [Abstract] |  |
Summary of Disaggregation of Operating Expenses | The following table sets forth the Company’s disaggregation of operating expenses that were reviewed by the CODM for the three months ended March 31, 2026 and 2025 (in thousands):
|  | Three months ended March 31, |
|  | 2026 |  |  | 2025 |
Research and development |  | $ | 12,832 |  |  | $ | 8,687 |
Sales and marketing |  |  | 3,296 |  |  |  | 2,549 |
General and administrative |  |  | 6,452 |  |  |  | 5,894 |
Total operating expenses |  | $ | 22,580 |  |  | $ | 17,130 |
| The following table sets forth the Company’s disaggregation of operating expenses which were reviewed by the CODM for the years ended December 31, 2025 and 2024 (in thousands):
|  | 2025 |  |  | 2024 |
Research and development |  | $ | 38,486 |  |  | $ | 37,168 |
Sales and marketing |  |  | 10,570 |  |  |  | 10,731 |
General and administrative |  |  | 22,582 |  |  |  | 17,005 |
Total operating expenses |  | $ | 71,638 |  |  | $ | 64,904 |
Summary of Geographic Locations of the Ultimate End Customers | The following is a summary of net sales for the three months ended March 31, 2026 and 2025, based on the country to which the Company’s products were shipped, which may be different from the geographic locations of the ultimate end customers (in thousands):
|  | Three months ended March 31, |
|  | 2026 |  |  | 2025 |
Taiwan |  |  | 6,099 |  |  |  | 6,032 |
China |  |  | 11,646 |  |  |  | 5,590 |
Singapore |  |  | — |  |  |  | 3,599 |
North America |  |  | 5,129 |  |  |  | 25 |
Rest of the World* |  |  | 2,186 |  |  |  | 486 |
Total |  | $ | 25,060 |  |  | $ | 15,732 |
* | Other countries individually less than 10%
| The following is a summary of net sales for the years ended December 31, 2025 and 2024, based on the country to which the Company’s products were shipped, which may be different from the geographic locations of the ultimate end customers (in thousands):
|  | 2025 |  |  | 2024 |
China |  |  | 30,664 |  |  |  | 54,728 |
Taiwan |  |  | 25,835 |  |  |  | 18,190 |
Singapore |  |  | 7,306 |  |  |  | — |
Rest of the World* |  |  | 8,709 |  |  |  | 3,149 |
Total |  | $ | 72,514 |  |  | $ | 76,067 |
* | Other countries individually less than 10%
Summary of Property, Equipment and Software, Net, and Right-of-use Assets, Net | The following illustrates property, equipment and software, net, and right-of-use assets, net by geographic location based on physical location (in thousands):
|  | March 31, 2026 |  |  | December 31, 2025 |
Taiwan |  | $ | 3,438 |  |  | $ | 3,515 |
China |  |  | 567 |  |  |  | 633 |
North America |  |  | 836 |  |  |  | 593 |
Rest of the World* |  |  | 1,163 |  |  |  | 34 |
Total |  | $ | 6,004 |  |  | $ | 4,775 |
* | Other countries individually less than 10%
| The following illustrates property, equipment and software, net, and right-of-use assets, net by geographic locations based on physical location (in thousands):
|  | 2025 |  |  | 2024 |
Taiwan |  | $ | 3,515 |  |  | $ | 2,139 |
China |  |  | 633 |  |  |  | 593 |
North America |  |  | 593 |  |  |  | 786 |
Rest of the World* |  |  | 34 |  |  |  | 26 |
Total |  | $ | 4,775 |  |  | $ | 3,544 |
* | Other countries individually less than 10%

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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