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Operating Lease Liabilities (Details) - Schedule of Supplemental Information Operating Lease Liabilities	Dec. 31, 2023	Dec. 31, 2022
Schedule of Supplemental Information Operating Lease Liabilities [Abstract]
lease term (in years)	1 year 9 months 10 days	1 year 7 months 20 days
Weighted average interest rate %	30.00%	26.00%

X

- Definition

Weighted average interest rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	mrt_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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Namespace Prefix:	mrt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant