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Marketable securities (Details Narrative) | 6 Months Ended
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Jun. 30, 2025 EUR (€)
Cash and Cash Equivalents [Abstract] |
Unrealized gain loss | € 70,169

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- Definition Amount of unrealized gain (loss) on investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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