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Sales and Major Customers (Details Textual) | 12 Months Ended
--- | ---
Jan. 31, 2013 Person | Jan. 31, 2012 Person | Jan. 31, 2011 Person
Sales and Major Customers (Textual) [Abstract] |  |  |
Percentage change in total revenues by one customer | 10.00% | 10.00% | 10.00%
Number of customers with revenue exceeding 10% of total Company revenue | 1 | 1 | 1

X
- Definition Disclosure threshold for major customers. + References No definition available. + Details
Name: | mind_DisclosureThresholdForMajorCustomers
Namespace Prefix: | mind_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of customers with revenue exceeding 10% of total Company revenue. + References No definition available. + Details
Name: | mind_EntityWideRevenueMajorCustomerNumber
Namespace Prefix: | mind_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | mind_SalesAndMajorCustomersTextualAbstract
Namespace Prefix: | mind_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration