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v3.25.4

Geographic and Other Financial Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2025
Geographic and Other Financial Information (Unaudited) |
Schedule of revenue from external customers by geographic areas | Geographical revenue information, based on ship-to destination of the customers for the three years ended December 31, 2025, 2024, and 2023 is as follows (in thousands): By Continent and Region:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fiscal Year |
​ | ​ | 2025 | ​ | 2024 | ​ | 2023 |
​ | ​ ​ ​ | Revenue | ​ ​ ​ | % of Total | ​ ​ ​ | Revenue | ​ ​ ​ | % of Total | ​ ​ ​ | Revenue | ​ ​ ​ | % of Total |
North America | ​ | $ | 4,406 |  | 70 | % | $ | 3,190 |  | 56 | % | $ | 6,335 |  | 52 | %
Europe | ​ |  | 1,285 |  | 20 | % |  | 1,970 |  | 34 | % |  | 727 |  | 6 | %
Asia-Pacific | ​ |  | 510 |  | 8 | % |  | 418 |  | 7 | % |  | 4,656 |  | 38 | %
Others | ​ |  | 80 |  | 1 | % |  | 177 |  | 3 | % |  | 411 |  | 3 | %
Total Revenues | ​ | $ | 6,281 |  | 100 | % | $ | 5,755 |  | 100 | % | $ | 12,129 |  | 100 | %
​ By Country:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Fiscal Year | ​
​ | 2025 | ​ | ​ | ​ | ​ | 2024 | ​ | ​ | ​ | ​ | 2023 |
​ | Revenue | ​ ​ ​ | % of Total | ​ ​ ​ | ​ | ​ | ​ ​ ​ | Revenue | ​ ​ ​ | % of Total | ​ ​ ​ | ​ ​ ​ | ​ | ​ | Revenue | ​ ​ ​ | % of Total |
U.S. | $ | 4,252 |  | 68 | % | ​ | U.S. | ​ | $ | 2,895 |  | 50 | % | ​ | U.S. | ​ | $ | 6,213 |  | 51 | %
Netherlands |  | 574 |  | 9 | % | ​ | Poland | ​ |  | 984 |  | 17 | % | ​ | Japan | ​ |  | 4,449 |  | 37 | %
Japan | ​ | 333 | ​ | 5 | % | ​ | France | ​ | ​ | 314 | ​ | 5 | % | ​ | Chile | ​ | ​ | 316 | ​ | 3 | %
Others |  | 1,122 |  | 18 | % | ​ | Others | ​ |  | 1,562 |  | 27 | % | ​ | Others | ​ |  | 1,151 |  | 9 | %
Total Revenues | $ | 6,281 |  | 100 | % | ​ | Total Revenues | ​ | $ | 5,755 |  | 100 | % | ​ | Total Revenues | ​ | $ | 12,129 |  | 100 | %

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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