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Basic and Diluted Net Loss Per Share (Details) - Schedule of computation of diluted loss per share - shares | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Schedule of computation of diluted loss per share [Abstract] |  |
Warrants to purchase common stock | 6,994,189 | 871,098
Options to purchase common stock | 753,459 |
Common stock due to former Cosmos shareholders to be issued pending approval of increase to authorized capital |  | 5,055,811
Mandatory convertible notes to exchange common stock |  | 6,362,690
Restricted Stock-Units (“RSUs”) issued under a management equity plan | 1,819,287 | 4,000,000
Total | 9,566,935 | 16,289,599

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- Definition Common stock due to former Cosmos shareholders to be issued pending approval of increase to authorized capital (in Dollars). + References No definition available. + Details
Name: | migi_CommonStockDueToFormerCosmosShareholders
Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Mandatory convertible notes to exchange common stock (in Dollars). + References No definition available. + Details
Name: | migi_MandatoryConvertibleNotesToExchangeCommonStock
Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Options to purchase common stock. + References No definition available. + Details
Name: | migi_OptionsToPurchaseCommonStock
Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Restricted Stock-Units (“RSUs”) issued under a management equity plan. + References No definition available. + Details
Name: | migi_RestrictedStockUnitsRSUsIssuedUnderAManagementEquityPlan
Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

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- Definition Total diluted loss per share. + References No definition available. + Details
Name: | migi_TotalOfDilutedLossPerShare
Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrants to purchase common stock. + References No definition available. + Details
Name: | migi_WarrantsToPurchaseCommonStockinDollars
Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration