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v3.25.1

LOANS PAYABLE - Disclosure of detailed information about fair value of derivative loan liability assumptions (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Loan Payable [Abstract] |  |
Maturity date | May 10, 2027 | May 10, 2027
Risk free interest rate | 2.72% | 3.66%
Share price | $ 3.62 | $ 4.05
Expected volatility | 54.00% | 52.00%
Dividend yield | 0.00% | 0.00%
Conversion Price | $ 6 | $ 6

X
- Definition Represent the conversion price. + References No definition available. + Details
Name: | mta_ConversionPrice
Namespace Prefix: | mta_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | mta_ExpectedDividendYield
Namespace Prefix: | mta_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of expected stock price volatility. + References No definition available. + Details
Name: | mta_ExpectedStockPriceVolatility
Namespace Prefix: | mta_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Represent the maturity date. + References No definition available. + Details
Name: | mta_MaturityDate
Namespace Prefix: | mta_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of risk free interest rate. + References No definition available. + Details
Name: | mta_RiskFreeInterestRate
Namespace Prefix: | mta_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the share prices. + References No definition available. + Details
Name: | mta_SharePrices
Namespace Prefix: | mta_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration