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INTANGIBLES, PREPAID BANK FEES AND OTHER ASSETS, NET (Details Textual) (USD $)
12 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Jan. 31, 2006
Selling, General and Administrative Expenses [Member]      
Intangibles Prepaid Bank Fees And Other Assets Net [Line Items]      
Amortization of Intangible Assets $ 355,938us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
$ 409,297us-gaap_AmortizationOfIntangibleAssets
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
 
Mifflin Valley, Inc [Member]      
Intangibles Prepaid Bank Fees And Other Assets Net [Line Items]      
Business Acquisition Purchase Price Allocation Goodwill Amount1     900,000lake_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount1
/ us-gaap_BusinessAcquisitionAxis
= lake_MifflinValleyIncMember
Bank Fees [Member]      
Intangibles Prepaid Bank Fees And Other Assets Net [Line Items]      
Finite-Lived Intangible Assets, Accumulated Amortization 389,167us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= lake_BankFeesMember
267,718us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= lake_BankFeesMember
 
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 120,873us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= lake_BankFeesMember
   
Finite-Lived Intangible Assets, Amortization Expense, Year Two 50,364us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= lake_BankFeesMember
   
CA Certification in Brazil [Member]      
Intangibles Prepaid Bank Fees And Other Assets Net [Line Items]      
Finite-Lived Intangible Assets, Accumulated Amortization $ 161,496us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= lake_CaCertificationInBrazilMember
$ 98,000us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= lake_CaCertificationInBrazilMember