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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 | $ 355,938 us-gaap_AmortizationOfIntangibleAssets / us-gaap_IncomeStatementLocationAxis = us-gaap_SellingGeneralAndAdministrativeExpensesMember | $ 409,297 us-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 |  |  | 900,000 lake_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 | 389,167 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_BankFeesMember | 267,718 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_BankFeesMember |
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | 120,873 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_BankFeesMember |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Two | 50,364 us-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 | $ 161,496 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_CaCertificationInBrazilMember | $ 98,000 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_CaCertificationInBrazilMember |

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- Definition Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Details
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- Details
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