OPTIONS (Details Narrative)	9 Months Ended
Dec. 31, 2021 USD ($)
OPTIONS (Details)
Options expired that were not converted in the required time period after termination	$ 475,000
Intrinsic value, Ending	$ 0
Weighted average remaining life and intrinsic value	4 years 18 days

Name:

nbio_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstandingEnding

Namespace Prefix:

nbio_

Data Type:

xbrli:monetaryItemType

Balance Type:

debit

Period Type:

duration