XML 45 R34.htm IDEA: XBRL DOCUMENT v3.24.3

Fair Value Measurements (Details) - Schedule of Level 3 Financial Instruments that are Measured at Fair Value on a Recurring Basis - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Private Placement Warrants [Member]
Schedule of Level 3 Financial Instruments that are Measured at Fair Value on a Recurring Basis [Line Items]
Fair value, beginning balance	$ 279,205	$ 66,128	$ 624,538	$ 377,857	$ 66,128	$ 377,857
Change in fair value of warrant liabilities	124,908	213,077	(433,503)	246,681
Fair value, ending balance	404,113	279,205	191,035	624,538	404,113	191,035
Representative’s Warrants [Member]
Schedule of Level 3 Financial Instruments that are Measured at Fair Value on a Recurring Basis [Line Items]
Fair value, beginning balance	21,632	5,123	48,386	29,274	5,123	29,274
Change in fair value of warrant liabilities	9,676	16,509	(33,585)	19,112
Fair value, ending balance	31,308	21,632	14,801	48,386	31,308	14,801
Warrant Liability [Member]
Schedule of Level 3 Financial Instruments that are Measured at Fair Value on a Recurring Basis [Line Items]
Fair value, beginning balance	300,837	71,251	672,924	407,131	71,251	407,131
Change in fair value of warrant liabilities	134,584	229,586	(467,088)	265,793
Fair value, ending balance	$ 435,421	$ 300,837	$ 205,836	$ 672,924	$ 435,421	$ 205,836

X

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 13
-SubTopic 10
-Topic 480
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481766/480-10-25-13

+ Details

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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

X

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

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

+ Details

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

X

- Details

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

X

- Details

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

X

- Details

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