The amount of current financial liabilities. [Refer: Financial liabilities]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The increase (decrease) in equity resulting from the conversion of convertible instruments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
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-IssueDate 2025-01-01
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The amount of non-current financial liabilities. [Refer: Financial liabilities]

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The increase (decrease) in equity resulting from drawdowns under a Standby Equity Purchase Agreement (SEPA).

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The increase (decrease) in equity resulting from conversion of debt or other liabilities into equity instruments.

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The increase (decrease) in equity resulting from settlement liability.

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NON-CURRENT AND CURRENT FINANCIAL LIABILITIES - Narrative (Details) - EUR (€) € in Thousands		6 Months Ended	12 Months Ended
	May 23, 2026	Jun. 30, 2026	Dec. 31, 2024	Dec. 31, 2025
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Non-current		€ 54,474	€ 42,053	€ 71,518
Current		28,184	40,433	87,148
Capital increase from debt-equity swaps		31,350
Capital increase from conversion of 2028 convertible notes		16,349
Capital increase from XJ transaction		89,382
Drawdowns under SEPA (Yorkville)		7,903
Drawdowns from share-based payments for management and board		2,869	€ 48,198
Shareholder \| Loans from shareholders
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Original debt converted	€ 30,750
Loans from banks, other third parties, shareholders and other related parties
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Non-current		233		35,391
Current		23,197		17,591
Capital increase from debt-equity swaps		31,350
2028 Convertible Note
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Capital increase from conversion of 2028 convertible notes		16,349
XJ Liability
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Current				64,267
Capital increase from XJ transaction		89,382
XJ Share Price Protection
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Non-current		€ 6,813		€ 9,459
2025 Convertible Loan - warrants
NON-CURRENT AND CURRENT FINANCIAL LIABILITIES
Warrants term		5 years