Total number of additional common shares of an entity that have been sold or granted to shareholders.

No definition available.

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Namespace Prefix:	nnvc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of additional nonredeemable preferred shares issued to shareholders.

+ References

No definition available.

+ Details

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Namespace Prefix:	nnvc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of annual base salary as agreed to be paid by the company under the employment agreement.

+ References

No definition available.

+ Details

Name:	nnvc_BaseSalary
Namespace Prefix:	nnvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The line item information about commitment and contingencies.

+ References

No definition available.

+ Details

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Namespace Prefix:	nnvc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the employment agreement was made.

+ References

No definition available.

+ Details

Name:	nnvc_EmploymentAgreementTerm
Namespace Prefix:	nnvc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the certain amount of estimated salary increase in their base.

+ References

No definition available.

+ Details

Name:	nnvc_IncreaseInBaseSalary
Namespace Prefix:	nnvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Estimated period of extension term of employee agreement for share based compensation arrangement by share based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	nnvc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of value assigned to term life insurance policy.

+ References

No definition available.

+ Details

Name:	nnvc_TermLifeInsurancePolicyValue
Namespace Prefix:	nnvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of value assigned to the company on term life insurance policy.

+ References

No definition available.

+ Details

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Namespace Prefix:	nnvc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
-Subparagraph (a)(3)
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_CounterpartyNameAxis=nnvc_FounderChairmanAndPresidentMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
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Balance Type:
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- Details

Name:	srt_TitleOfIndividualAxis=srt_ChiefFinancialOfficerMember
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Commitments and Contingencies - Employment Agreements (Details) - USD ($)	Jul. 01, 2026	Jul. 01, 2025	Jul. 01, 2024	Jan. 01, 2015	Mar. 03, 2010	Jun. 30, 2026	Jun. 30, 2025
Commitments and Contingencies
Common stock, shares issued						23,008,308	16,606,832
Founder, Chairman and President
Commitments and Contingencies
Employment agreement extension term (in years)		1 year	1 year
Founder, Chairman and President \| Related party
Commitments and Contingencies
Base Salary	$ 400,000
Term life insurance value	2,000,000
Term life insurance value assigned to company	$ 1,000,000
Preferred stock, par value (in dollars per share)	$ 0.00001
Series A Preferred stock \| Founder, Chairman and President \| Related party
Commitments and Contingencies
Number of shares granted	10,204
Chief Financial Officer
Commitments and Contingencies
Employment agreement term	3 years
Increase In base salary	$ 9,000			$ 10,800
Employment agreement extension term (in years)	1 year
Chief Financial Officer \| Series A Preferred stock
Commitments and Contingencies
Preferred Stock, Shares Issued	129
Vice President
Commitments and Contingencies
Base Salary					$ 150,000
Employment agreement term					4 years
Additional common stock shares issued					1,786
Common stock, shares issued					1,786
Vice President \| Series A Preferred stock
Commitments and Contingencies
Preferred Stock, Shares Issued					1,340
Additional preferred stock shares issued					1,340