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Details of Significant Accounts - Revenue, schedule of disaggregation of revenue from contracts with customers (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenue |  |  |
Revenue from external customer contracts | $ 53,505 | $ 47,300 | $ 40,760
At a point in time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 7,588 | 8,566 | 8,892
Over time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 45,917 | 38,734 | 31,868
United States |  |  |
Revenue |  |  |
Revenue from external customer contracts | 24,992 | 24,291 | 20,173
United States | At a point in time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 4,380 | 5,126 | 5,114
United States | Over time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 20,612 | 19,165 | 15,059
Japan |  |  |
Revenue |  |  |
Revenue from external customer contracts | 4,301 | 4,717 | 4,520
Japan | At a point in time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 523 | 871 | 676
Japan | Over time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 3,778 | 3,846 | 3,844
France |  |  |
Revenue |  |  |
Revenue from external customer contracts | 4,170 | 3,431 | 3,206
France | At a point in time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 471 | 590 | 771
France | Over time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 3,699 | 2,841 | 2,435
Others |  |  |
Revenue |  |  |
Revenue from external customer contracts | 20,042 | 14,861 | 12,861
Others | At a point in time |  |  |
Revenue |  |  |
Revenue from external customer contracts | 2,214 | 1,979 | 2,331
Others | Over time |  |  |
Revenue |  |  |
Revenue from external customer contracts | $ 17,828 | $ 12,882 | $ 10,530

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 114 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_114&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2023-01-01 -Paragraph 113 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_113_a&doctype=Standard -URIDate 2023-03-23 + Details
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