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v3.21.1

Summary of Significant Accounting Policies (Details) - Schedule of digital currencies | 3 Months Ended
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Mar. 31, 2021 $ / shares
Schedule of digital currencies [Abstract] |
Digital currencies at December 31, 2020 | $ 0.52
Additions of digital currencies | 123.22
Sale of digital currencies | (113.45)
Digital currencies at March 31, 2021 | $ 10.29

X
- Definition Additions of digital currencies. + References No definition available. + Details
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Namespace Prefix: | migi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Digital currencies balance. + References No definition available. + Details
Name: | migi_DigitalCurrenciesBalance
Namespace Prefix: | migi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Sale of digital currencies. + References No definition available. + Details
Name: | migi_SaleOfDigitalCurrencies
Namespace Prefix: | migi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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