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v3.25.1

Right-of-use assets (Details Narrative) | 12 Months Ended
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Dec. 31, 2024 HKD ($)
Right of use assets, impairment | $ 5,013,080
Lease contracts terms | Lease contracts are entered into for fixed term of 2 to 5 years. Lease terms are negotiated on an individual basis

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- Definition Description of lease contracts terms. + References No definition available. + Details
Name: | MB_DescriptionOfLeaseContractsTerms
Namespace Prefix: | MB_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Impairment of right-of-use assets. + References No definition available. + Details
Name: | MB_ImpairmentOfRightofuseAssets
Namespace Prefix: | MB_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant