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BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
 12 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Business And Significant Accounting Policies [Line Items]    
Entity Wide Revenue Major Customer Description No customer accounted for more than 10% of net sales No customer accounted for more than 10% of net sales
Shipping, Handling and Transportation Costs $ 2,700,000us-gaap_ShippingHandlingAndTransportationCosts $ 2,400,000us-gaap_ShippingHandlingAndTransportationCosts
Research and Development Expense 90,000us-gaap_ResearchAndDevelopmentExpense 123,000us-gaap_ResearchAndDevelopmentExpense
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 371,183us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 341,181us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Weighted Average Number of Shares, Treasury Stock 356,441us-gaap_WeightedAverageNumberOfSharesTreasuryStock 356,441us-gaap_WeightedAverageNumberOfSharesTreasuryStock
Advertising Expense 455,000us-gaap_AdvertisingExpense 322,000us-gaap_AdvertisingExpense
Foreign Denominated Cash And Cash Equivalents 6,800,000lake_ForeignDenominatedCashAndCashEquivalents 4,600,000lake_ForeignDenominatedCashAndCashEquivalents
Foreign Currency Transaction Gain (Loss), Realized $ 200,000us-gaap_ForeignCurrencyTransactionGainLossRealized $ 200,000us-gaap_ForeignCurrencyTransactionGainLossRealized
Minimum [Member]    
Business And Significant Accounting Policies [Line Items]    
Percentage Of Rebates To Be Earned By Distributors 1.00%lake_PercentageOfRebatesToBeEarnedByDistributors
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Maximum [Member]    
Business And Significant Accounting Policies [Line Items]    
Percentage Of Rebates To Be Earned By Distributors 6.00%lake_PercentageOfRebatesToBeEarnedByDistributors
/ us-gaap_RangeAxis
= us-gaap_MaximumMember