XML 56 R45.htm IDEA: XBRL DOCUMENT
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PROPERTY AND EQUIPMENT, NET (Details Textual) (USD $) | 12 Months Ended
--- | ---
Jan. 31, 2015 | Jan. 31, 2014
Property, Plant and Equipment [Line Items] |  |
Depreciation | $ 978,684 us-gaap_Depreciation | $ 1,197,696 us-gaap_Depreciation
Estimated Cost to Complete Construction-In-Progress | $ 32,000 lake_EstimatedCostToCompleteConstructioninprogress |

X
- Definition Amount of estimated cost to complete construction-in-progress as of balance sheet date. + References No definition available. + Details
Name: | lake_EstimatedCostToCompleteConstructioninprogress
Namespace Prefix: | lake_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration