Name:	mtmt_ConcentrationRiskPercentage
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Period Type:	duration

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

No definition available.

Name:	mtmt_DeferredTaxAssetsValuationAllowances
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Period Type:	instant

Amount of foreign net operating losses.

No definition available.

Name:	mtmt_ForeignNetOperatingLosses
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Leases exercised to purchase option.

No definition available.

Name:	mtmt_LeasesExercisedToPurchaseOption
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Number of customers.

No definition available.

Name:	mtmt_NumberOfCustomers
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	mtmt_SummaryofPrincipalAccountingPoliciesDetailsLineItems
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Period Type:	duration

Amount of allowance for credit loss on accounts receivable.

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Period Type:	instant

Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent.

No definition available.

Name:	us-gaap_AociTaxAttributableToParent
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of net assets (liabilities).

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

No definition available.

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans and leases that were sold during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Period Type:	duration

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount of the cost of borrowed funds accounted for as interest expense.

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-SubTopic 20
-Section 50
-Paragraph 1
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-Subparagraph (d)
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Period Type:	duration

A description of the assets to be disposed of and the facts and circumstances leading to the expected disposal, and the expected manner and timing of the disposal (generally no more than 12 months from the date of the balance sheet).

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Name:	us-gaap_LongLivedAssetsHeldForSaleDescription
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Data Type:	xbrli:stringItemType
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Period Type:	duration

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing.

Name:	us-gaap_SecurityDepositLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	srt_OwnershipAxis=mtmt_JHCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_MajorCustomersAxis=mtmt_CustomerOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=mtmt_OperatingLeaseRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=mtmt_FinanceLeaseRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_MajorCustomersAxis=mtmt_CustomerTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Namespace Prefix:
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Namespace Prefix:
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Name:	srt_MajorCustomersAxis=mtmt_CustomerFourMember
Namespace Prefix:
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