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DERIVATIVE INSTRUMENTS AND FOREIGN CURRENCY EXPOSURE (Details Textual) (USD $) | 12 Months Ended
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Jan. 31, 2015 | Jan. 31, 2014
Derivative [Line Items] |  |
Foreign Currency Transaction Gain (Loss), Before Tax | $ (124,967)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | $ (475,865)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Foreign Currency Transaction Gain Loss Before Tax Price Per Share | $ 0.02 lake_ForeignCurrencyTransactionGainLossBeforeTaxPricePerShare | $ 0.08 lake_ForeignCurrencyTransactionGainLossBeforeTaxPricePerShare
Other Comprehensive Income, Other, Net of Tax | 131,483 us-gaap_OtherComprehensiveIncomeOtherNetOfTax |
Derivative Financial Instruments, Assets [Member] |  |
Derivative [Line Items] |  |
Other Assets | $ 3,975,000 us-gaap_OtherAssets / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember | $ 1,633,542 us-gaap_OtherAssets / us-gaap_FairValueByAssetClassAxis = us-gaap_DerivativeFinancialInstrumentsAssetsMember

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- Definition This element represents that, the percentage of the aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. + References No definition available. + Details
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- Details
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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- Definition The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 7 + Details
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- Definition The change in other comprehensive income during the reporting period, net of tax, for an item that is not separately disclosed. + References No definition available. + Details
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