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v3.25.2

Provisions - Additional Information (Details) € in Thousands | 6 Months Ended
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Jun. 30, 2025 EUR (€)
Provisions for disputes |
Disclosure of other provisions |
Provisions | € 230

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- Definition 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. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Provision Used And Unused Provision Reversed, Other Provisions + References No definition available. + Details
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Namespace Prefix: | nbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |