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Commitments and Contingencies - Additional Information (Detail) (USD $) | 12 Months Ended
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Jan. 31, 2014
Commitments And Contingencies Disclosure [Abstract] |
Purchase orders outstanding | $ 2,074,000
Purchase orders to be fulfilled | 180 days
Customs and performance guarantees | 3,000,000
Letter of credit outstanding | $ 2,200,000

X
- Definition Customs And Performance Guarantees + References No definition available. + Details
Name: | mind_CustomsAndPerformanceGuarantees
Namespace Prefix: | mind_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Letter Of Credit Facility Outstanding + References No definition available. + Details
Name: | mind_LetterOfCreditFacilityOutstanding
Namespace Prefix: | mind_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of days to fulfill purchase obligations. + References No definition available. + Details
Name: | mind_PeriodToFulfillPurchaseObligations
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant