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v3.21.2

Note 5 - Revenue From Contracts With Customers (Details Textual) | 9 Months Ended
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Oct. 31, 2021
Minimum [Member] |
Contract with Customers, Turn Over Period (Month) | 3 months
Maximum [Member] |
Contract with Customers, Turn Over Period (Month) | 9 months

X
- Definition Th e period of turn over for contract with customers. + References No definition available. + Details
Name: | mind_ContractWithCustomersTurnOverPeriod
Namespace Prefix: | mind_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |