XML 54 R33.htm IDEA: XBRL DOCUMENT
v3.25.1

SUMMARY OF MATERIAL ACCOUNTING POLICIES (Narrative) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Disclosure Of Significant Accounting Policies [Abstract] |  |
Convertible loan facility | $ 12,693 | $ 13,588

X
- Definition The amount of current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ShorttermBorrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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