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Details of the Statements of Profit or Loss and Other Comprehensive Income (General and Administrative Expenses) (Details) € in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 EUR (€) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 EUR (€) | Dec. 31, 2020 EUR (€)
Disclosure Of Details Of Statements Of Profit Or Loss And Other Comprehensive Income Loss [Abstract] |  |  |  |
Salaries and related compensation | € 2,151 |  | € 1,505 | € 1,442
Professional services | 2,404 |  | 2,822 | 2,057
Other | 1,337 |  | 1,334 | 1,013
Total general and administrative expenses | € 5,892 | $ 6,284 | € 5,661 | € 4,512

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