XML 185 R104.htm IDEA: XBRL DOCUMENT
v3.26.1

Warrant liability (Details Narrative) - USD ($) |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 06, 2021 | Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2024
IfrsStatementLineItems [Line Items] |  |  |  |
Exercise price warrants | $ 5.75 |  |  |
Warrant liability |  | $ 125,528 |  |
Public warrants [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Warrants issued | 11,500,000 |  |  |
Exercise price warrants |  | $ 0.01 |  |
Warrant liability |  | $ 119,600 |  |
Private placement warrants [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Warrants issued | 570,000 |  |  |
Exercise price warrants |  | $ 0.01 |  |
Warrant liability | $ 5,928 |  |  |

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- References No definition available. + Details
Name: | ALPS_ExercisePriceWarrants
Namespace Prefix: | ALPS_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ALPS_IfrsStatementLineItems
Namespace Prefix: | ALPS_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ALPS_WarrantsIssued
Namespace Prefix: | ALPS_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of warrant liabilities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_WarrantLiability
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | ifrs-full_TypesOfAntidilutiveInstrumentsAxis=ALPS_PublicWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfAntidilutiveInstrumentsAxis=ALPS_PrivatePlacementWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |