XML 30 R16.htm IDEA: XBRL DOCUMENT
v3.25.2

Commitments and Contingencies | 12 Months Ended
--- | ---
Jun. 30, 2025
Commitments and Contingencies [Abstract] |
COMMITMENTS AND CONTINGENCIES | 9. COMMITMENTS AND CONTINGENCIES There are no contingent liabilities at the date of this report. The Group is not involved in any legal or arbitration proceedings and, so far as management is aware, no such proceedings are pending or threatened against the Group. In respect of expenditure commitments, refer to Note 15.

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

X
- Definition The disclosure of commitments and contingent liabilities. [Refer: Classes of contingent liabilities [domain]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_10_e&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:textBlockItemType
Balance Type: | na
Period Type: | duration