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Accrued Expenses and Other Current Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 28, 2023	Jan. 05, 2023
Accrued Expenses and Other Current Liabilities [Abstract]
Penalty charges			$ 3,342,549
Additional fine		$ 3,342,549
Fine amount	$ 78,991
Additional tax charge	$ 173,812

X

- Definition

Represent the amount of additional penalty charges.

+ References

No definition available.

+ Details

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Namespace Prefix:	mrt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represent the amount of additional tax charge.

+ References

No definition available.

+ Details

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Namespace Prefix:	mrt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represent the amount of penalty charges.

+ References

No definition available.

+ Details

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Namespace Prefix:	mrt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

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X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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