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Schedule of fair value of liabilities classification (Details) - EUR (€) | Jun. 30, 2025 | Dec. 31, 2024
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Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent | € 7,555,000 |
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent |  |
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent |  |
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent | 7,555,000 |
Mandatory Convertible Bond [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent | 7,555,000 |
Mandatory Convertible Bond [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent |  |
Mandatory Convertible Bond [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent |  |
Mandatory Convertible Bond [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] |  |
Convertible Debt, Noncurrent | € 7,555,000 |

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- Definition Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 825 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478898/942-825-50-1 + Details
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