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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY [Parenthetical]	6 Months Ended
	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