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INTANGIBLES, PREPAID BANK FEES AND OTHER ASSETS, NET (Details) (USD $) | Jan. 31, 2015 | Jan. 31, 2014
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Intangibles Prepaid Bank Fees And Other Assets Net [Line Items] |  |
Intangibles, prepaid bank fees and other assets, net | $ 443,376 us-gaap_IntangibleAssetsNetExcludingGoodwill | $ 1,533,349 us-gaap_IntangibleAssetsNetExcludingGoodwill
Trademarks and Trade Names [Member] |  |
Intangibles Prepaid Bank Fees And Other Assets Net [Line Items] |  |
Intangibles, prepaid bank fees and other assets, net | 272,139 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember | 335,635 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksAndTradeNamesMember
Bank Fees [Member] |  |
Intangibles Prepaid Bank Fees And Other Assets Net [Line Items] |  |
Intangibles, prepaid bank fees and other assets, net | $ 171,237 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_BankFeesMember | $ 1,197,714 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = lake_BankFeesMember

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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