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v3.19.1

Subsequent Event (Details) $ in Millions | Mar. 31, 2019 USD ($)
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Subsequent Event [Member] |
Subsequent Event (Textual) |
Declared dividend to its shareholders | $ 5.0

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

X
- Definition Amount of cumulative cash dividends distributed to shareholders. + References No definition available. + Details
Name: | us-gaap_CumulativeDividends
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |