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COMMITMENTS AND CONTINGENCIES (Details Textual) - USD ($) | Jan. 31, 2017 | Jan. 31, 2016
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COMMITMENTS AND CONTINGENCIES [Line Items] |  |
Annual Base Remuneration Payments Due Current | $ 1,120,000 |
Annual Base Remuneration Payments Due In Two Years | 544,750 |
Annual Base Remuneration Payments Due In Three Years | 268,750 |
Loss Contingency Accrual | $ 100,000 | $ 238,000

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- Definition The element represents the annual base remuneration payable in next twelve months. + References No definition available. + Details
Name: | lake_AnnualBaseRemunerationPaymentsDueCurrent
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The element represents the annual base remuneration payable in third year. + References No definition available. + Details
Name: | lake_AnnualBaseRemunerationPaymentsDueInThreeYears
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The element represents the annual base remuneration payable in second year. + References No definition available. + Details
Name: | lake_AnnualBaseRemunerationPaymentsDueInTwoYears
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | lake_CommitmentsAndContingenciesLineItems
Namespace Prefix: | lake_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant