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Acquisition - Additional Information (Detail) (USD $)	12 Months Ended	0 Months Ended
	Jan. 31, 2015	May 31, 2014 Product_Lines
Business Acquisition [Line Items]
Business acquisition, cash paid	$ 14,500,000us-gaap_PaymentsToAcquireBusinessesGross
Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member]
Business Acquisition [Line Items]
Business acquisition, cash paid		14,500,000us-gaap_PaymentsToAcquireBusinessesGross / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Business acquisition, credit		2,000,000mind_BusinessAcquisitionCostOfAcquisitionOnCredit / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Number of product lines		2mind_NumberOfProductLines / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Business acquisition, fair value consideration		15,600,000mind_BusinessAcquisitionFairValueConsideration / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Amortizable Intangible Assets [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		10,000,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_FiniteLivedIntangibleAssetsMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Inventory [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		3,600,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = mind_InventoryMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Goodwill [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		1,400,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Furniture and Fixtures [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		600,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_FurnitureAndFixturesMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Customer Relationships [Member] | Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Amortizable Intangible Assets [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		5,100,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_FiniteLivedIntangibleAssetsMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Property Rights [Member] | Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Amortizable Intangible Assets [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		2,900,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_FiniteLivedIntangibleAssetsMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = mind_PropertyRightsMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Patents [Member] | Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] | Amortizable Intangible Assets [Member]
Business Acquisition [Line Items]
Business acquisition, fair value consideration		$ 2,000,000mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_FiniteLivedIntangibleAssetsMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember

X

- Definition

Business acquisition cost of acquisition on credit.

+ References

No definition available.

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- Definition

Business acquisition fair value consideration.

+ References

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- Definition

Number of product lines.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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