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v3.19.1

Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2018
Computers and electronic equipment [Member] | Minimum [Member] |
Significant Accounting Policies [Line Items] |
Property, plant and equipment, depreciation percentage | 15.00%
Computers and electronic equipment [Member] | Maximum [Member] |
Significant Accounting Policies [Line Items] |
Property, plant and equipment, depreciation percentage | 33.00%
Office furniture and equipment [Member] | Minimum [Member] |
Significant Accounting Policies [Line Items] |
Property, plant and equipment, depreciation percentage | 6.00%
Office furniture and equipment [Member] | Maximum [Member] |
Significant Accounting Policies [Line Items] |
Property, plant and equipment, depreciation percentage | 7.00%
Vehicles [Member] |
Significant Accounting Policies [Line Items] |
Property, plant and equipment, depreciation percentage | 15.00%

X
- Definition The annual rate of depreciation (related to property, plant and equipment, but not including land) that has been recognized during the period. + References No definition available. + Details
Name: | mndo_PropertyPlantAndEquipmentDepreciationPercentage
Namespace Prefix: | mndo_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |