The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The interest rate on borrowings. [Refer: Borrowings]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The current portion of non-current borrowings. [Refer: Borrowings]

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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 amount of interest recognised as a liability.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The non-current portion of non-current borrowings. [Refer: Borrowings]

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The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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The amount of principal and accumulated interest waived under the agreement.

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The period over which debt instrument were converted in to ordinary shares.

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The amount of gains (losses) on derecognition of financial liabilities.

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Period upon which unconverted loans become payable on demand

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Borrowings (Details) - EUR (€) € in Thousands	3 Months Ended
Borrowings (Details) - EUR (€) € in Thousands	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 10, 2018
Disclosure of detailed information about borrowings [line items]
Total borrowings	€ 6,479		€ 6,771
Current portion	(2,576)		(2,500)
Non Current portion	3,903		4,271
Result on derecognition of financial liabilities	408
Innovation credit
Disclosure of detailed information about borrowings [line items]
Accrued interest	1,133		1,035
Total borrowings	€ 3,907		3,907
Notional amount				€ 3,907
Interest rate (as percent)	10.00%
Convertible loans
Disclosure of detailed information about borrowings [line items]
Accrued interest	€ 372		460
Total borrowings	€ 1,067		€ 1,369
Convertible loans \| Minimum
Disclosure of detailed information about borrowings [line items]
Period upon which unconverted loans become payable on demand	24 months
Convertible loans Amylon Therapeutics B.V. [Member]
Disclosure of detailed information about borrowings [line items]
Interest rate (as percent)	8.00%
Debt instrument convertible term	36 months
Loan and interest waived	€ 408	€ 0
Convertible loans Amylon Therapeutics B.V. [Member] \| Maximum
Disclosure of detailed information about borrowings [line items]
Period upon which unconverted loans become payable on demand	36 months