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STOCKHOLDERS' EQUITY AND STOCK OPTIONS (Details Textual) (USD $)
1 Months Ended 12 Months Ended
Oct. 29, 2014
Jan. 31, 2015
Jan. 31, 2014
Jun. 20, 2009
Jun. 17, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   32,234us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod      
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period   23,234us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod      
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value   $ 8.64us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   264,406us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber 276,406us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber    
Share-based Compensation   $ 1,202,986us-gaap_ShareBasedCompensation $ 197,744us-gaap_ShareBasedCompensation    
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense   433,075us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 71,188us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense    
Proceeds From Issuance of Private Placement, Gross 11,100,000lake_ProceedsFromIssuanceOfPrivatePlacementGross        
Subordinated Borrowing, Interest Rate 12.00%us-gaap_SubordinatedBorrowingInterestRate        
Repayments of Subordinated Debt 3,600,000us-gaap_RepaymentsOfSubordinatedDebt 3,594,371us-gaap_RepaymentsOfSubordinatedDebt 0us-gaap_RepaymentsOfSubordinatedDebt    
Private Placement Fee 777,000lake_PrivatePlacementFee        
Percentage of Private Placement Fee 7.00%lake_PercentageOfPrivatePlacementFee        
Warrants To Purchase Common Stock 55,500lake_WarrantsToPurchaseCommonStock        
Warrants Exercise Price $ 11.00lake_WarrantsExercisePrice        
Professional Fees 132,000us-gaap_ProfessionalFees        
Share Price $ 14.10us-gaap_SharePrice        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value $ 3.10us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue        
Private Placement [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock Issued During Period, Shares, New Issues 1,110,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
       
Sale of Stock, Price Per Share $ 10.00us-gaap_SaleOfStockPricePerShare
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_PrivatePlacementMember
       
Equity Incentive 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation   1,182,279us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
180,552us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
   
Equity Incentive 2009 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation   20,707us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2009PlanMember
17,192us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2009PlanMember
   
Non-employee Directors Option Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options to Purchase Common Stock   5,000lake_OptionsToPurchaseCommonStock
/ us-gaap_PlanNameAxis
= lake_NonemployeeDirectorsOptionPlanMember
     
Additional Options to Purchase Common Stock   1,000lake_AdditionalOptionsToPurchaseCommonStock
/ us-gaap_PlanNameAxis
= lake_NonemployeeDirectorsOptionPlanMember
     
Director Option Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation   0us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= lake_DirectorOptionPlanMember
0us-gaap_ShareBasedCompensation
/ us-gaap_AwardTypeAxis
= lake_DirectorOptionPlanMember
   
Restricted Stock [Member] | Equity Incentive 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized       310,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   32,133us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period   264,406us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value   $ 6.27us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   208,406us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options   328,053us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Restricted Stock [Member] | Equity Incentive 2009 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         253,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2009PlanMember
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options   $ 0us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2009PlanMember
     
Employees Bonus In Stock Program [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share Based Compensation Arrangement By Share Based Payment Award Percent Age Of Cash Compensation Taken In Restricted Stock   30.00%lake_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentAgeOfCashCompensationTakenInRestrictedStock
/ us-gaap_TitleOfIndividualAxis
= lake_EmployeesBonusInStockProgramMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   133.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_TitleOfIndividualAxis
= lake_EmployeesBonusInStockProgramMember
     
Director Fee In Stock Program [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   133.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_TitleOfIndividualAxis
= lake_DirectorFeeInStockProgramMember