Warrants - Summary of Changes in liabilities classified in Level 3 of the fair value hierarchy (Details) $ in Thousands	6 Months Ended
Jun. 30, 2022 USD ($)
Warrants and Rights Note Disclosure [Abstract]
Beginning balance	$ 406
Change in fair value of Private Warrants liability recognized in earnings	(348)
Ending balance	$ 58

Change in fair value of private warrants liability recognized in earnings.

No definition available.

Name:	nuvb_ChangeInFairValueOfPrivateWarrantsLiabilityRecognizedInEarnings
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration