XML 13 R33.htm IDEA: XBRL DOCUMENT v2.4.1.9
Long-Term Debt and Notes Payable - Long-Term Debt and Notes Payable (Detail) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2015
Jan. 31, 2015
Debt Instrument [Line Items]    
Long-term debt gross $ 20,575us-gaap_LongTermDebt $ 26,355us-gaap_LongTermDebt
Long-term debt gross 20,575us-gaap_LongTermDebt 26,355us-gaap_LongTermDebt
Less current portion (3,219)us-gaap_LongTermDebtCurrent (3,218)us-gaap_LongTermDebtCurrent
Long-term debt 17,356us-gaap_LongTermDebtNoncurrent 23,137us-gaap_LongTermDebtNoncurrent
Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt gross 12,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
17,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Term Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-term debt gross 8,400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_CreditFacilityAxis
= mind_TermCreditFacilityMember
9,200us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_CreditFacilityAxis
= mind_TermCreditFacilityMember
Other Equipment Notes [Member]    
Debt Instrument [Line Items]    
Long-term debt gross $ 175us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_CreditFacilityAxis
= mind_OtherEquipmentNotesMember
$ 155us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_CreditFacilityAxis
= mind_OtherEquipmentNotesMember