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Significant Accounting Policies (Details) - Schedule of exchange rate of relevant currencies - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Year-end AUD 1 = USD [Member]
Significant Accounting Policies (Details) - Schedule of exchange rate of relevant currencies [Line Items]
Currencies	$ 0.726	$ 0.77
Currencies percentage	(6.00%)	10.00%
Average AUD 1 = USD [Member]
Significant Accounting Policies (Details) - Schedule of exchange rate of relevant currencies [Line Items]
Currencies	$ 0.751	$ 0.691
Currencies percentage	9.00%	(1.00%)

X

- Definition

Foreign exchange rate used to translate percentage denominated in functional currency to reporting currency.

+ References

No definition available.

+ Details

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

X

- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

No definition available.

+ Details

Name:	migi_ForeignCurrencyExchangeRateTranslation
Namespace Prefix:	migi_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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Namespace Prefix:	migi_
Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Details

Name:	migi_TypeOfCurrenciesAxis=migi_YearendUSD1AUDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	migi_TypeOfCurrenciesAxis=migi_AverageUSD1AUDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: