Name:	nuvb_OperatingLeasesFutureMinimumPaymentDue
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim period are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	nuvb_OperatingLeasesFutureMinimumPaymentDueCurrent
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim period are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	nuvb_OperatingLeasesFutureMinimumPaymentDueInFiveYears
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim period are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	nuvb_OperatingLeasesFutureMinimumPaymentDueInFourYears
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim period are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	nuvb_OperatingLeasesFutureMinimumPaymentDueInThreeYears
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim period are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	nuvb_OperatingLeasesFutureMinimumPaymentDueThereafter
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Operating Leases Futures Minimum Payment Due In Two Years

No definition available.

Name:	nuvb_OperatingLeasesFuturesMinimumPaymentDueInTwoYears
Namespace Prefix:	nuvb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.