XML 66 R55.htm IDEA: XBRL DOCUMENT v3.25.3

Fair Value Measurements - Schedule of liabilities measured at fair value on the condensed consolidated balance sheet (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Recurring fair value measurements
Recurring fair value measurements	$ 1,439,500		$ 1,439,500		$ 3,174,249
Recurring fair value measurements, gain (loss) during period	120,350	$ 809,336	613,236	$ 3,118,144
Derivative liability - non-controlling redeemable preferred shares
Recurring fair value measurements
Recurring fair value measurements					0
Recurring fair value measurements, gain (loss) during period		0		(3,626)
2022 July Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements					0
Recurring fair value measurements, gain (loss) during period		0		4,621
Private warrants - July 2024
Recurring fair value measurements
Recurring fair value measurements					0
Recurring fair value measurements, gain (loss) during period		80,673		80,673
2024 February Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements	620		620		291,566
Recurring fair value measurements, gain (loss) during period	91,092	728,663	290,946	3,036,476
2024 October Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	13,989		13,989		292,234
Recurring fair value measurements, gain (loss) during period	(7,015)	0	278,245	0
Senior Convertible Notes - October 2024
Recurring fair value measurements
Recurring fair value measurements	33,623		33,623		2,475,162
Recurring fair value measurements, gain (loss) during period	(4,623)	0	(123,384)	0
Additional Investment Rights - October 2024
Recurring fair value measurements
Recurring fair value measurements	111,107		111,107		5,950
Recurring fair value measurements, gain (loss) during period	(100,774)	0	(105,157)	0
2024 December Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	81		81		109,337
Recurring fair value measurements, gain (loss) during period	48,627	$ 0	109,256	$ 0
2025 March Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	53,587		53,587
Recurring fair value measurements, gain (loss) during period	(17,330)		52,957
2025 April Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	40,638		40,638
Recurring fair value measurements, gain (loss) during period	(8,955)		(8,955)
2025 May Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	188,467		188,467
Recurring fair value measurements, gain (loss) during period	(48,550)		(48,550)
Senior Convertible Notes - May 2025
Recurring fair value measurements
Recurring fair value measurements	895,497		895,497
Recurring fair value measurements, gain (loss) during period	167,878		167,878
2025 September Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	965		965
Recurring fair value measurements, gain (loss) during period	0		0
Senior Convertible Notes - September 2025
Recurring fair value measurements
Recurring fair value measurements	100,926		100,926
Recurring fair value measurements, gain (loss) during period	0		0
Level 1: Quoted Prices in Active Markets for Identical Assets
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | Derivative liability - non-controlling redeemable preferred shares
Recurring fair value measurements
Recurring fair value measurements					0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2022 July Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements					0
Level 1: Quoted Prices in Active Markets for Identical Assets | Private warrants - July 2024
Recurring fair value measurements
Recurring fair value measurements					0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2024 February Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2024 October Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | Senior Convertible Notes - October 2024
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | Additional Investment Rights - October 2024
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2024 December Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2025 March Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2025 April Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2025 May Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | Senior Convertible Notes - May 2025
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | 2025 September Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 1: Quoted Prices in Active Markets for Identical Assets | Senior Convertible Notes - September 2025
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 2: Significant Other Observable Inputs
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 2: Significant Other Observable Inputs | Derivative liability - non-controlling redeemable preferred shares
Recurring fair value measurements
Recurring fair value measurements					0
Level 2: Significant Other Observable Inputs | 2022 July Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements					0
Level 2: Significant Other Observable Inputs | Private warrants - July 2024
Recurring fair value measurements
Recurring fair value measurements					0
Level 2: Significant Other Observable Inputs | 2024 February Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 2: Significant Other Observable Inputs | 2024 October Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - October 2024
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 2: Significant Other Observable Inputs | Additional Investment Rights - October 2024
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 2: Significant Other Observable Inputs | 2024 December Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0		0
Level 2: Significant Other Observable Inputs | 2025 March Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 2: Significant Other Observable Inputs | 2025 April Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 2: Significant Other Observable Inputs | 2025 May Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - May 2025
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 2: Significant Other Observable Inputs | 2025 September Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 2: Significant Other Observable Inputs | Senior Convertible Notes - September 2025
Recurring fair value measurements
Recurring fair value measurements	0		0
Level 3: Significant Unobservable Inputs
Recurring fair value measurements
Recurring fair value measurements	1,439,500		1,439,500		3,174,249
Level 3: Significant Unobservable Inputs | Derivative liability - non-controlling redeemable preferred shares
Recurring fair value measurements
Recurring fair value measurements					0
Level 3: Significant Unobservable Inputs | 2022 July Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements					0
Level 3: Significant Unobservable Inputs | Private warrants - July 2024
Recurring fair value measurements
Recurring fair value measurements					0
Level 3: Significant Unobservable Inputs | 2024 February Institutional/Accredited Investor warrants
Recurring fair value measurements
Recurring fair value measurements	620		620		291,566
Level 3: Significant Unobservable Inputs | 2024 October Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	13,989		13,989		292,234
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - October 2024
Recurring fair value measurements
Recurring fair value measurements	33,623		33,623		2,475,162
Level 3: Significant Unobservable Inputs | Additional Investment Rights - October 2024
Recurring fair value measurements
Recurring fair value measurements	111,107		111,107		5,950
Level 3: Significant Unobservable Inputs | 2024 December Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	81		81		$ 109,337
Level 3: Significant Unobservable Inputs | 2025 March Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	53,587		53,587
Level 3: Significant Unobservable Inputs | 2025 April Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	40,638		40,638
Level 3: Significant Unobservable Inputs | 2025 May Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	188,467		188,467
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - May 2025
Recurring fair value measurements
Recurring fair value measurements	895,497		895,497
Level 3: Significant Unobservable Inputs | 2025 September Institutional/Accredited Investor Warrants
Recurring fair value measurements
Recurring fair value measurements	965		965
Level 3: Significant Unobservable Inputs | Senior Convertible Notes - September 2025
Recurring fair value measurements
Recurring fair value measurements	$ 100,926		$ 100,926

X

- References

No definition available.

+ Details

Name:	nvve_RecurringFairValueMeasurementsAbstract
Namespace Prefix:	nvve_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of obligations measured on a recurring basis.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

+ Details

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_RedeemablePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_July2022WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_PrivateWarrantsJuly2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_February2024WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_October2024WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_SeniorConvertibleNotesIssuedOnOctober312024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_October2024AdditionalInvestmentRightsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_December2024WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_WarrantsIssuedOnMarch52025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_April2025InstitutionalAccreditedInvestorWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_May2025InstitutionalAccreditedInvestorWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_SeniorConvertibleNotesIssuedOnMay302025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_September2025InstitutionalAccreditedInvestorWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=nvve_SeniorConvertibleNotesIssuedOnSeptember302025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: