XML 53 R40.htm IDEA: XBRL DOCUMENT v2.4.1.9
Employee Stock Compensation (Details Textual) (USD $)
3 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Jun. 20, 2012
Jun. 17, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation $ 127,000us-gaap_ShareBasedCompensation $ 24,000us-gaap_ShareBasedCompensation [1]    
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense 45,955us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 8,771us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense    
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_PlanNameAxis
= lake_EquityIncentive2012PlanMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 53,556us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 188,497us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Share-based Compensation 127,652us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
5,468us-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 0us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2009PlanMember
18,896us-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]        
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options $ 207,122us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= lake_EquityIncentive2012PlanMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 6.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ 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 Unvested In Period 244,497lake_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsUnvestedInPeriod
/ 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
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, 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
     
[1] Restated for discontinued operations.