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Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Jan. 31, 2015
Commitments and Contingencies Disclosure [Abstract]
Purchase orders outstanding	$ 4,800,000us-gaap_PurchaseObligation
Purchase orders to be fulfilled	180 days
Customs and performance guarantees	2,200,000mind_CustomsAndPerformanceGuarantees
Letter of credit outstanding	380,000mind_LetterOfCreditFacilityOutstanding
Bank guarantees outstanding	$ 118,000mind_BankGuaranteesOutstanding

X

- Definition

Bank guarantees outstanding.

+ References

No definition available.

+ Details

Name:	mind_BankGuaranteesOutstanding
Namespace Prefix:	mind_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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