Related Party Transactions - Mortgage Note Payable - Related Party Tabular Information (Details)	Jun. 30, 2020 USD ($)
Related Party Transactions
Mortgage note payable	$ 1,100,000
Less: unamortized loan origination fee	(18,013)
Net mortgage note payable	$ 1,081,987

Represents the amount of mortgage note payable - related party before deducting the unamortized loan origination fees.

No definition available.

Name:	nnvc_MortgageNotesPayableRelatedPartyGross
Namespace Prefix:	nnvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant