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Summary of Significant Accounting Policies (Details) - Schedule of diluted loss per share - shares | Sep. 30, 2021 | Sep. 30, 2020
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Schedule of diluted loss per share [Abstract] |  |
Warrants to purchase common stock | 4,222,910 |
Restricted Stock-Units (“RSUs”) issued under a management equity plan | 4,000,000 |
Total | 8,222,910 |

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- Definition Restricted Stock-Units (“RSU”) issued under a management equity plan (in Shares). + References No definition available. + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

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- References No definition available. + Details
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Namespace Prefix: | migi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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