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Statutory Reserve (Details)	12 Months Ended
	Dec. 31, 2021
Statutory Reserve [Abstract]
Percentage of reserve on net profit	10.00%
Percentage of registered capital	50.00%

X

- Definition

Percentage of registered capital.

+ References

No definition available.

+ Details

Name:	mtc_PercentageOfRegisteredCapital
Namespace Prefix:	mtc_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of reserve on net profit.

+ References

No definition available.

+ Details

Name:	mtc_PercentageofReserveOnNetProfit
Namespace Prefix:	mtc_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	mtc_StatutoryReserveAbstract
Namespace Prefix:	mtc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration