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Warrants - Schedule of Fair Values for Outstanding Warrants (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Class Of Warrant Or Right [Line Items]
Fair values of outstanding warrants	$ 972
Public Warrants [Member]
Class Of Warrant Or Right [Line Items]
Fair values of outstanding warrants	792
Private Placement Warrants [Member]
Class Of Warrant Or Right [Line Items]
Fair values of outstanding warrants	42
Forward Purchase Warrants
Class Of Warrant Or Right [Line Items]
Fair values of outstanding warrants	$ 138

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

+ Details

Name:	us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=nuvb_PrivatePlacementWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=nuvb_ForwardPurchaseWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: