XML 78 R88.htm IDEA: XBRL DOCUMENT
v3.20.1

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, 2020 | Jan. 31, 2019 | Jan. 31, 2018
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | $ 35,863 | $ 36,597 | $ 36,930
UK/Europe |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 20,366 | 15,200 | 11,835
Canada |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 3,731 | 2,049 | 807
Latin America |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 2,663 | 1,267 | 1,354
Asia/South Pacific |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 6,871 | 13,555 | 16,768
Eurasia |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | 290 | 1,803 | 332
Other |  |  |
Revenue, Major Customer [Line Items] |  |  |
Total revenues from customers | $ 1,942 | $ 2,723 | $ 5,834

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: | srt_StatementGeographicalAxis=mind_UkAndEuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_StatementGeographicalAxis=srt_LatinAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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