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Acquisition - Additional Information (Detail) (USD $) | 12 Months Ended | 0 Months Ended
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Jan. 31, 2015 | May 31, 2014 Product_Lines
Business Acquisition [Line Items] |  |
Business acquisition, cash paid | $ 14,500,000 us-gaap_PaymentsToAcquireBusinessesGross |
Seamap Pte Ltd [Member] | ION Geophysical Corporation [Member] |  |
Business Acquisition [Line Items] |  |
Business acquisition, cash paid |  | 14,500,000 us-gaap_PaymentsToAcquireBusinessesGross / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Business acquisition, credit |  | 2,000,000 mind_BusinessAcquisitionCostOfAcquisitionOnCredit / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Number of product lines |  | 2 mind_NumberOfProductLines / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember
Business acquisition, fair value consideration |  | 15,600,000 mind_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 |  | 10,000,000 mind_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 |  | 3,600,000 mind_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 |  | 1,400,000 mind_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 |  | 600,000 mind_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 |  | 5,100,000 mind_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 |  | 2,900,000 mind_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 |  | $ 2,000,000 mind_BusinessAcquisitionFairValueConsideration / us-gaap_FairValueByAssetClassAxis = us-gaap_FiniteLivedIntangibleAssetsMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember / dei_LegalEntityAxis = mind_SeamapPteLtdMember / us-gaap_StatementBusinessSegmentsAxis = mind_IonGeophysicalCorporationMember

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- Definition Business acquisition cost of acquisition on credit. + References No definition available. + Details
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Namespace Prefix: | mind_
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Period Type: | instant

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- Definition Business acquisition fair value consideration. + References No definition available. + Details
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- Definition Number of product lines. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Details
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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 + Details
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- Details
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- Details
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- Details
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