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v3.22.1

Statutory Reserve (Details) | 12 Months Ended
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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

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