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Other Income (Details) - Schedule of Other Income - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Other Income [Line Items] |  |  |
Other income | $ 657,926 | $ 187,063 | $ 133,899
Loss claim income [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | 197,712 | 13,754 |
Incentive income [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | 136,711 | 50,115 | 39,817
Traffic penalty claim income [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | 92,387 |  |
Price increase reflection [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | 48,941 |  |
Accrual reverse income [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | 42,585 | 26,828 |
Promotion income from bank [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | 33,886 |  |
Other [Member] |  |  |
Schedule of Other Income [Line Items] |  |  |
Other income | $ 105,704 | $ 96,366 | $ 94,082

X
- Definition Amount of other income classified as other for the operating expense. + References No definition available. + Details
Name: | mrt_OtherIncomeOperatingExpenses
Namespace Prefix: | mrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_LossClaimIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_IncentiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_TrafficPenaltyClaimIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_PriceIncreaseReflectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_AccrualCorrectionCustomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_BankPromotionIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherComprehensiveIncomeLocationAxis=mrt_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |