XML 50 R8.htm IDEA: XBRL DOCUMENT
v2.4.1.9

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY [Parenthetical] (USD $) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2014 | Jan. 31, 2015
Warrants Issued To Purchase Common Stock Shares | 566,015 lake_WarrantsIssuedToPurchaseCommonStockShares |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | $ 0.01 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

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

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant