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Property and Equipment (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Property, Plant and Equipment [Abstract] |  |
Depreciation and amortization expense | $ 14,113,730 | $ 4,620,725

X
- Definition Amount of Depreciation and amortization expense. + References No definition available. + Details
Name: | migi_DepreciationAndAmortizationExpense
Namespace Prefix: | migi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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