Trade and Other Receivables (Details) - EUR (€) € in Thousands	Jun. 30, 2026	Dec. 31, 2025
Trade and Other Receivables.
Collaboration receivables	€ 431	€ 3,358
Prepayments	2,645	2,627
Accrued income from Rett Syndrome Research Trust	502	502
Other receivables	330	313
Total	€ 3,908	€ 6,800

The amount of current accrued income including current contract assets. [Refer: Accrued income including contract assets]

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The amount of current prepayments. [Refer: Prepayments]

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The amount of current other receivables. [Refer: Other receivables]

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The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

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Current receivables from collaboration agreements.

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