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DERIVATIVE INSTRUMENTS AND FOREIGN CURRENCY EXPOSURE (Details Textual) (USD $)
12 Months Ended
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 $ 0.02lake_ForeignCurrencyTransactionGainLossBeforeTaxPricePerShare $ 0.08lake_ForeignCurrencyTransactionGainLossBeforeTaxPricePerShare
Other Comprehensive Income, Other, Net of Tax 131,483us-gaap_OtherComprehensiveIncomeOtherNetOfTax  
Derivative Financial Instruments, Assets [Member]    
Derivative [Line Items]    
Other Assets $ 3,975,000us-gaap_OtherAssets
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_DerivativeFinancialInstrumentsAssetsMember
$ 1,633,542us-gaap_OtherAssets
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_DerivativeFinancialInstrumentsAssetsMember