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Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2019
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 and furniture equipment [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, depreciation percentage	6.00%
Office and furniture equipment [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Property, plant and equipment, depreciation percentage	7.00%
Motor 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

X

- References

No definition available.

+ Details

Name:	mndo_SignificantAccountingPoliciesLineItems
Namespace Prefix:	mndo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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