Note 5 - Revenue From Contracts With Customers (Details Textual)	3 Months Ended
Apr. 30, 2022
Minimum [Member]
Contract with Customers, Turn Over Period (Month)	3 months
Maximum [Member]
Contract with Customers, Turn Over Period (Month)	9 months

Th e period of turn over for contract with customers.

No definition available.

Name:	mind_ContractWithCustomersTurnOverPeriod
Namespace Prefix:	mind_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration