XML 96 R80.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Sales and Major Customers - Summary of Company's Revenues from Customers by Geographic Region, Outside the U.S. (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2016
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | $ 36,930 | $ 34,747 | $ 44,503
UK/Europe |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 11,835 | 14,577 | 16,437
Canada |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 807 | 1,891 | 1,354
Latin America |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 1,354 | 2,983 | 3,283
Asia/South Pacific |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 16,768 | 10,348 | 16,623
Eurasia |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 332 | 3,120 | 3,659
Other |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | $ 5,834 | $ 1,828 | $ 3,147

X
- Definition Revenue from external customers. + References No definition available. + Details
Name: | mind_RevenueFromExternalCustomers
Namespace Prefix: | mind_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=mind_UkAndEuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_LatinAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=mind_AsiaSouthPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=mind_EurasiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=mind_OtherCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |