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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY [Parenthetical] | 6 Months Ended
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Jul. 31, 2013
Warrants Issued To Purchase Common Stock, Shares | 566,015

X
- Definition Number of warrants issued to purchase common stock shares. + References No definition available. + Details
Name: | lake_WarrantsIssuedToPurchaseCommonStockShares
Namespace Prefix: | lake_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration