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v2.4.1.9

Income Taxes - Company's Deferred Taxes (Detail) (USD $) In Thousands, unless otherwise specified | Jan. 31, 2015 | Jan. 31, 2014
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Deferred tax assets: |  |
Net operating losses | $ 4,053 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | $ 2,592 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Tax credit carry forwards | 4,472 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards | 3,470 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Stock option book expense | 2,837 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 2,689 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Allowance for doubtful accounts | 1,798 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts | 1,704 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Allowance for inventory obsolescence | 68 mind_DeferredTaxAssetsAllowancesForInventoryObsolescence | 94 mind_DeferredTaxAssetsAllowancesForInventoryObsolescence
Accruals not yet deductible for tax purposes | 421 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | 620 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Other | 620 us-gaap_DeferredTaxAssetsOther | 679 us-gaap_DeferredTaxAssetsOther
Gross deferred tax assets | 14,269 us-gaap_DeferredTaxAssetsGross | 11,848 us-gaap_DeferredTaxAssetsGross
Valuation allowance | (1,379)us-gaap_DeferredTaxAssetsValuationAllowance |
Deferred tax assets | 12,890 us-gaap_DeferredTaxAssetsNet | 11,848 us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities: |  |
Fixed assets | (636)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | (2,172)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Intangible assets | (390)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets | (435)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Foreign branch taxes | (274)mind_DeferredTaxLiabilitiesForeignBranchTaxes | (1,140)mind_DeferredTaxLiabilitiesForeignBranchTaxes
Other | (4)us-gaap_DeferredTaxLiabilitiesOther |
Deferred tax liabilities | (1,304)us-gaap_DeferredTaxLiabilities | (3,747)us-gaap_DeferredTaxLiabilities
Unrecognized tax benefits | (237)mind_UnrecognizedTaxBenefitsNetOfOtherTaxes |
Total deferred tax assets, net | $ 11,349 us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 8,101 us-gaap_DeferredTaxAssetsLiabilitiesNet

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