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Operating Lease Right of Use Assets (Details) - Schedule of Operating Lease Right of Use Assets - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Schedule of Operating Lease Right of Use Assets [Line Items] |  |
Operating lease right of use assets | $ 1,023,739 | $ 3,523,475
Less: Accumulated depreciation | (1,215,892) | (2,694,226)
Buildings [Member] |  |
Schedule of Operating Lease Right of Use Assets [Line Items] |  |
Operating lease right of use assets | 1,222,461 | 2,275,718
Vehicles [Member] |  |
Schedule of Operating Lease Right of Use Assets [Line Items] |  |
Operating lease right of use assets | $ 1,017,170 | $ 3,941,983

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- Definition Operating lease right of use assets. + References No definition available. + Details
Name: | mrt_OperatingLeaseRightOfUseAssets
Namespace Prefix: | mrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Amount of accumulated depreciation, of lessee's right to use underlying asset under operating lease. + References No definition available. + Details
Name: | mrt_OperatingLeaseRightOfUseAssetsAccumulatedDepreciation
Namespace Prefix: | mrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |