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v3.22.2.2

Subsequent Events - Additional Information (Detail) - Subsequent Event | 1 Months Ended
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Nov. 04, 2022 USD ($)
Subsequent Event [Line Items] |
Payments made to enter an obligation | $ 1,500,000
Proceeds from cash or equipment of equivalent value as partial settlement | $ 335,000

X
- Definition Payments made to enter an obligation. + References No definition available. + Details
Name: | mchx_PaymentsMadeToEnterAnObligation
Namespace Prefix: | mchx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Proceeds from partial settlement in cash or equipment of equivalent value. + References No definition available. + Details
Name: | mchx_ProceedsFromPartialSettlementInCashOrEquipmentOfEquivalentValue
Namespace Prefix: | mchx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |