Additional units that can be purchased to cover over allotments.

No definition available.

Name:	ATMV_AdditionalUnitsThatCanBePurchasedToCoverOverAllotments
Namespace Prefix:	ATMV_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash underwriting discount per unit.

+ References

No definition available.

+ Details

Name:	ATMV_CashUnderwritingDiscountPerUnit
Namespace Prefix:	ATMV_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of cash fee upon initial business combination on gross proceeds of IPO.

+ References

No definition available.

+ Details

Name:	ATMV_PercentageOfCashFeeUponInitialBusinessCombinationOnGrossProceedsOfIpo
Namespace Prefix:	ATMV_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Costs incurred during the period, such as those relating to general administration and policy maintenance that do not vary with and are not primarily related to the acquisition or renewal of insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(7)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 944
-SubTopic 720
-Section 25
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479448/944-720-25-2

+ Details

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

- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-14

+ Details

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

- 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

No definition available.

+ Details

Name:	us-gaap_SubsidiarySaleOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ATMV_SponsorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

COMMITMENTS & CONTINGENCIES (Details Narrative) - USD ($)			3 Months Ended
	Dec. 22, 2022	Sep. 15, 2022	Mar. 31, 2023
Subsidiary, Sale of Stock [Line Items]
Cash underwriting discount per unit			$ 0.25
Aggregate cash underwriting discount			$ 1,725,000
Sponsor [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from initial public offering			$ 2,415,000
Over-Allotment Option [Member]
Subsidiary, Sale of Stock [Line Items]
Additional units to cover over-allotments		900,000
IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Percentage of cash fee upon initial business combination on gross proceeds			3.50%
Proceeds from initial public offering	$ 60,000,000