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Note 1 - Organization, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) (USD $)
6 Months Ended 36 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended
Nov. 30, 2014
May 29, 2016
Jul. 15, 2014
Feb. 15, 2011
Oct. 29, 2014
May 25, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Payments to Acquire Investments $ 18,000,000us-gaap_PaymentsToAcquireInvestments          
Number of Proprietary Platforms 2lndc_NumberOfProprietaryPlatforms          
HA Based Biomaterials [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Number of Product Segments 3lndc_NumberOfProductSegments
/ us-gaap_StatementBusinessSegmentsAxis
= lndc_HAbasedBiomaterialsMember
         
Bonus Under Long-term Incentive Plan [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Accrued Bonuses 0us-gaap_AccruedBonusesCurrentAndNoncurrent
/ us-gaap_NatureOfExpenseAxis
= lndc_BonusUnderLongTermIncentivePlanMember
        677,000us-gaap_AccruedBonusesCurrentAndNoncurrent
/ us-gaap_NatureOfExpenseAxis
= lndc_BonusUnderLongTermIncentivePlanMember
Bonus Under Long-term Incentive Plan [Member] | Scenario, Forecast [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Officers' Compensation   2,000,000us-gaap_OfficersCompensation
/ us-gaap_NatureOfExpenseAxis
= lndc_BonusUnderLongTermIncentivePlanMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
       
Officers' Compensation   (2,000,000)us-gaap_OfficersCompensation
/ us-gaap_NatureOfExpenseAxis
= lndc_BonusUnderLongTermIncentivePlanMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
       
Selling, General and Administrative Expenses [Member] | Bonus Under Long-term Incentive Plan [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Officers' Compensation (677,000)us-gaap_OfficersCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_NatureOfExpenseAxis
= lndc_BonusUnderLongTermIncentivePlanMember
         
Officers' Compensation 677,000us-gaap_OfficersCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
/ us-gaap_NatureOfExpenseAxis
= lndc_BonusUnderLongTermIncentivePlanMember
         
Customer Relationships [Member] | Maximum [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Finite-Lived Intangible Asset, Useful Life 13 years          
Customer Relationships [Member] | Minimum [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Finite-Lived Intangible Asset, Useful Life 12 years          
Cash and Cash Equivalents [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Money Market Funds, at Carrying Value 1,500,000us-gaap_MoneyMarketFundsAtCarryingValue
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CashAndCashEquivalentsMember
        1,500,000us-gaap_MoneyMarketFundsAtCarryingValue
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CashAndCashEquivalentsMember
Apio Cooling, LP [Member] | Apio [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Investment Ownership Percentage 60.00%lndc_InvestmentOwnershipPercentage
/ us-gaap_CounterpartyNameAxis
= lndc_ApioCoolingLPMember
/ dei_LegalEntityAxis
= lndc_ApioMember
         
Windset [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Investment Ownership Percentage 26.90%lndc_InvestmentOwnershipPercentage
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
  26.90%lndc_InvestmentOwnershipPercentage
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
     
Windset [Member] | Apio [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Payments to Acquire Investments     11,000,000us-gaap_PaymentsToAcquireInvestments
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ dei_LegalEntityAxis
= lndc_ApioMember
     
Windset [Member] | Common Stock [Member] | Apio [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Investment In Non Public Company Shares     68lndc_InvestmentInNonPublicCompanyShares
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
201lndc_InvestmentInNonPublicCompanyShares
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
   
Payments to Acquire Investments       201us-gaap_PaymentsToAcquireInvestments
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
   
Windset [Member] | Junior Preferred Shares [Member] | Apio [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Investment In Non Public Company Shares     51,211lndc_InvestmentInNonPublicCompanyShares
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= lndc_JuniorPreferredSharesMember
/ dei_LegalEntityAxis
= lndc_ApioMember
     
Windset [Member] | Senior A Preferred Stock [Member] | Apio [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Investment In Non Public Company Shares       150,000lndc_InvestmentInNonPublicCompanyShares
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= lndc_SeniorAPreferredStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
   
Payments to Acquire Investments       15,000,000us-gaap_PaymentsToAcquireInvestments
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= lndc_SeniorAPreferredStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
   
Windset [Member] | Senior B Preferred Stock [Member] | Apio [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Investment In Non Public Company Shares         70,000lndc_InvestmentInNonPublicCompanyShares
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= lndc_SeniorBPreferredStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
 
Payments to Acquire Investments         $ 7,000,000us-gaap_PaymentsToAcquireInvestments
/ us-gaap_CounterpartyNameAxis
= lndc_WindsetMember
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= lndc_SeniorBPreferredStockMember
/ dei_LegalEntityAxis
= lndc_ApioMember
 
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Ophthalmic [Member] | HA Based Biomaterials [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Concentration Risk, Percentage           60.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= lndc_OphthalmicMember
/ us-gaap_StatementBusinessSegmentsAxis
= lndc_HAbasedBiomaterialsMember
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member] | Orthopedic [Member] | HA Based Biomaterials [Member]            
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Concentration Risk, Percentage           20.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_ProductOrServiceAxis
= lndc_OrthopedicMember
/ us-gaap_StatementBusinessSegmentsAxis
= lndc_HAbasedBiomaterialsMember