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BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $) | 12 Months Ended
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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 | $ 2,700,000 us-gaap_ShippingHandlingAndTransportationCosts | $ 2,400,000 us-gaap_ShippingHandlingAndTransportationCosts
Research and Development Expense | 90,000 us-gaap_ResearchAndDevelopmentExpense | 123,000 us-gaap_ResearchAndDevelopmentExpense
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 371,183 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 341,181 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Weighted Average Number of Shares, Treasury Stock | 356,441 us-gaap_WeightedAverageNumberOfSharesTreasuryStock | 356,441 us-gaap_WeightedAverageNumberOfSharesTreasuryStock
Advertising Expense | 455,000 us-gaap_AdvertisingExpense | 322,000 us-gaap_AdvertisingExpense
Foreign Denominated Cash And Cash Equivalents | 6,800,000 lake_ForeignDenominatedCashAndCashEquivalents | 4,600,000 lake_ForeignDenominatedCashAndCashEquivalents
Foreign Currency Transaction Gain (Loss), Realized | $ 200,000 us-gaap_ForeignCurrencyTransactionGainLossRealized | $ 200,000 us-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 |

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- Definition Description of entity wide revenue major customer resulted in more than 10% of net sales. + References No definition available. + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits that are denominated in foreign currency. + References No definition available. + Details
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- Definition This percentage represent of rebates to be earned by distributors. + References No definition available. + Details
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 + Details
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- Definition Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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- Definition Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18726-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6408196&loc=d3e61069-111654 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Handling Costs -URI http://asc.fasb.org/extlink&oid=6514758 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21915142&loc=d3e60635-111653 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6408413&loc=d3e221937-122793 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Shipping Costs -URI http://asc.fasb.org/extlink&oid=6525344 + Details
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- Definition Number of shares of treasury stock determined by relating the portion of time within a reporting period that treasury shares have been outstanding to the total time in that period. Treasury stock is stock that the Entity has issued but subsequently reacquired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 + Details
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