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Consolidated Statements of Shareholders’ Equity (Parentheticals)	12 Months Ended
	Jun. 30, 2024
Statutory Reserves
Equity interest	4.46%

X

- Definition

Percentage of equity interest.

+ References

No definition available.

+ Details

Name:	maas_EquityInterestPercentage
Namespace Prefix:	maas_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=maas_StatutoryReservesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: