XML 102 R95.htm IDEA: XBRL DOCUMENT
v3.25.2

Share-based payments - Schedule of Expense from Equity (Details) - EUR (€) € in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Disclosure Of Detailed Information About Share-based Payments [Line Items] |  |
Expense for the year | € 2,161 | € 1,940
BSPCE |  |
Disclosure Of Detailed Information About Share-based Payments [Line Items] |  |
Expense for the year | 0 | 0
BSA |  |
Disclosure Of Detailed Information About Share-based Payments [Line Items] |  |
Expense for the year | 0 | 0
OSA |  |
Disclosure Of Detailed Information About Share-based Payments [Line Items] |  |
Expense for the year | 1,273 | 708
AGA |  |
Disclosure Of Detailed Information About Share-based Payments [Line Items] |  |
Expense for the year | € 888 | € 1,232

X
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2025-01-01 -Paragraph 51 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_51_a&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_ExpenseFromEquitysettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure Of Detailed Information About Share-based Payments + References No definition available. + Details
Name: | nbx_DisclosureOfDetailedInformationAboutShareBasedPaymentsLineItems
Namespace Prefix: | nbx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=nbx_BSPCEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=nbx_BSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=nbx_OSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=nbx_AGAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |