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v3.24.1

Summary of Significant Accounting Policies (Details) - Schedule of Estimated Useful Lives | Sep. 30, 2023
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Schedule of Estimated Useful Lives [Abstract] |
Property and equipment, useful lives | 3 years
Property and equipment, useful lives | Shorter of lease terms and estimated useful lives

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- Definition Property and equipment, useful lives. + References No definition available. + Details
Name: | gmm_PropertyAndEquipmentUsefulLives
Namespace Prefix: | gmm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | instant

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

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant