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