XML 58 R43.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Organization and Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
--- | ---
Jan. 31, 2017 USD ($)
Partnership Organization And Basis Of Presentation [Line Items] |
Services pursuant to contracts term | 12 months
Support services term | 12 months
Additional charges | $ 0
Salvage value assigned to property and equipment | $ 0
Customers warranty against defects | 3 months
Customer Relationships [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Intangible Assets Amortization Period | 8 years
Building [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Estimated useful lives | 30 years
Property Improvements [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Estimated useful lives | 10 years
Maximum [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Lease period | 1 year
Contracts receivable term | 2 years
Liquid investments maturity period | 3 months
Short-term investments maturity period | 12 months
Estimated useful lives | 7 years
Maximum [Member] | Proprietary Rights Developed Technology and Amortizable Trade Names [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Intangible Assets Amortization Period | 15 years
Maximum [Member] | Patents [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Intangible Assets Amortization Period | 9 years
Maximum [Member] | Recording Channels [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Estimated useful lives | 7 years
Maximum [Member] | Other Peripheral Equipment [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Estimated useful lives | 10 years
Minimum [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Short-term investments maturity period | 3 months
Estimated useful lives | 3 years
Minimum [Member] | Proprietary Rights Developed Technology and Amortizable Trade Names [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Intangible Assets Amortization Period | 10 years
Minimum [Member] | Patents [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Intangible Assets Amortization Period | 8 years
Minimum [Member] | Recording Channels [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Estimated useful lives | 5 years
Minimum [Member] | Other Peripheral Equipment [Member] |
Partnership Organization And Basis Of Presentation [Line Items] |
Estimated useful lives | 2 years

X
- Definition Contracts receivable term. + References No definition available. + Details
Name: | mind_ContractsReceivableTerm
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Intangible assets amortization period. + References No definition available. + Details
Name: | mind_IntangibleAssetsAmortizationPeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lease period. + References No definition available. + Details
Name: | mind_LeasePeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liquid investments maturity period. + References No definition available. + Details
Name: | mind_LiquidInvestmentsMaturityPeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Partnership Organization And Basis Of Presentation [Line Items] + References No definition available. + Details
Name: | mind_PartnershipOrganizationAndBasisOfPresentationLineItems
Namespace Prefix: | mind_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Service agreement period. + References No definition available. + Details
Name: | mind_ServiceAgreementPeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Short term investments maturity period. + References No definition available. + Details
Name: | mind_ShortTermInvestmentsMaturityPeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Standard product warranty period. + References No definition available. + Details
Name: | mind_StandardProductWarrantyPeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Support services additional charges. + References No definition available. + Details
Name: | mind_SupportServicesAdditionalCharges
Namespace Prefix: | mind_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Support services term. + References No definition available. + Details
Name: | mind_SupportServicesTerm
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentSalvageValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=mind_ProprietaryRightsDevelopedTechnologyAndAmortizableTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |