XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.20.2

Stockholders Equity (Details 2) | 9 Months Ended
--- | ---
Oct. 31, 2020 $ / shares shares
Weighted Average Grant Date Fair Value [Member] |
Outstanding at January 31, 2020 | $ / shares | $ 11.40
Awarded | $ / shares | 16.38
Outstanding at October 31, 2020 | $ / shares | $ 13.22
Total [Member] |
Outstanding at January 31, 2020 | 169,171
Awarded | 96,917
Vested | 0
Forfeited | 0
Outstanding at October 31, 2020 | 266,088
Service Based [Member] |
Outstanding at January 31, 2020 | 9,930
Awarded | 6,326
Vested | 0
Forfeited | 0
Outstanding at October 31, 2020 | 16,256
Performance Based [Member] |
Outstanding at January 31, 2020 | 159,241
Awarded | 90,591
Vested | 0
Forfeited | 0
Outstanding at October 31, 2020 | 249,832

X
- References No definition available. + Details
Name: | lake_OutstandingBeginningBalance
Namespace Prefix: | lake_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | lake_OutstandingEndingBalance
Namespace Prefix: | lake_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | lake_WeightedAverageGrantDateFairValueAwarded
Namespace Prefix: | lake_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | lake_WeightedAverageGrantDateFairValueOutstandingBeginningBalance
Namespace Prefix: | lake_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | lake_WeightedAverageGrantDateFairValueOutstandingEndingBalance
Namespace Prefix: | lake_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of options vested. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=lake_WeightedAverageGrantDateFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=lake_TotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=lake_ServiceBasedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=lake_PerformanceBasedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |