| Fact | Value | Period | Source |
|---|
| cash_and_equivalents | {"amount": 2738000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2024-12-31 | esef |
| cash_and_equivalents | {"amount": 4518000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2023-12-31 | esef |
| cash_and_equivalents | {"amount": 6179000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2022-12-31 | esef |
| cash_and_equivalents | {"amount": 4587000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2021-12-31 | esef |
| cash_and_equivalents | {"amount": 5677000.0, "concept": "ifrs-full:CashAndCashEquivalents"} | 2020-12-31 | esef |
| cashflow_financing | {"amount": -111000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2024-12-31 | esef |
| cashflow_financing | {"amount": -111000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2023-12-31 | esef |
| cashflow_financing | {"amount": -120000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2022-12-31 | esef |
| cashflow_financing | {"amount": -261000.0, "concept": "ifrs-full:CashFlowsFromUsedInFinancingActivities"} | 2021-12-31 | esef |
| cashflow_investing | {"amount": -11000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2024-12-31 | esef |
| cashflow_investing | {"amount": 4000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2023-12-31 | esef |
| cashflow_investing | {"amount": 2683000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2022-12-31 | esef |
| cashflow_investing | {"amount": -49000.0, "concept": "ifrs-full:CashFlowsFromUsedInInvestingActivities"} | 2021-12-31 | esef |
| cashflow_operating | {"amount": -1658000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2024-12-31 | esef |
| cashflow_operating | {"amount": -1554000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2023-12-31 | esef |
| cashflow_operating | {"amount": -971000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2022-12-31 | esef |
| cashflow_operating | {"amount": -780000.0, "concept": "ifrs-full:CashFlowsFromUsedInOperatingActivities"} | 2021-12-31 | esef |
| current_assets | {"amount": 6143000.0, "concept": "ifrs-full:CurrentAssets"} | 2024-12-31 | esef |
| current_assets | {"amount": 7818000.0, "concept": "ifrs-full:CurrentAssets"} | 2023-12-31 | esef |
| current_liabilities | {"amount": 386000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2024-12-31 | esef |
| current_liabilities | {"amount": 641000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2023-12-31 | esef |
| current_liabilities | {"amount": 810000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2022-12-31 | esef |
| current_liabilities | {"amount": 1726000.0, "concept": "ifrs-full:CurrentLiabilities"} | 2021-12-31 | esef |
| entity_legal_form | {"value": "P418", "elf_code": "P418"} | | gleif |
| eps_basic | {"amount": -0.046, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2024-12-31 | esef |
| eps_basic | {"amount": -0.05, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2023-12-31 | esef |
| eps_basic | {"amount": -0.04, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2022-12-31 | esef |
| eps_basic | {"amount": -0.08, "concept": "ifrs-full:BasicEarningsLossPerShare"} | 2021-12-31 | esef |
| headquarters_address | {"city": "GENOVA", "region": "IT-GE", "street": "VIA XII OTTOBRE, 2/181", "country": "IT", | | gleif |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 91000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 67000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 95000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInInventories | {"amount": 25000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": -123000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": -84000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": 559000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable | {"amount": 647000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 132000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 121000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 128000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForDepreciationAndAmortisationExpenseAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 106000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": 100000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForFairValueGainsLosses | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForFinanceCosts | {"amount": -99000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForFinanceCosts | {"amount": -51000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForFinanceCosts | {"amount": -44000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForFinanceIncomeCost | {"amount": -58000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForFinanceIncomeCost | {"amount": -99000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates | {"amount": -45000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty | {"amount": -100000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForGainsLossesOnFairValueAdjustmentInvestmentProperty | {"amount": -10000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories | {"amount": -38000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories | {"amount": 10000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories | {"amount": 39000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables | {"amount": 51000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables | {"amount": 107000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables | {"amount": 375000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables | {"amount": 14000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncomeTaxExpense | {"amount": -140000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": -14000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": -4000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": -5000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities | {"amount": -81000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": -312000.0} | 2024-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 18000.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": -102000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForIncreaseDecreaseInTradeAccountPayable | {"amount": 128000.0} | 2021-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": 109000.0} | 2022-12-31 | esef |
| ifrs:AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod | {"amount": 789000.0} | 2021-12-31 | esef |
| ifrs:Assets | {"amount": 6768000.0} | 2024-12-31 | esef |
| ifrs:Assets | {"amount": 8589000.0} | 2023-12-31 | esef |
| ifrs:Assets | {"amount": 10322000.0} | 2022-12-31 | esef |
| ifrs:Assets | {"amount": 12379000.0} | 2021-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -0.046} | 2024-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -0.05} | 2023-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -0.04} | 2022-12-31 | esef |
| ifrs:BasicEarningsLossPerShare | {"amount": -0.08} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 2738000.0} | 2024-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 4518000.0} | 2023-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 6179000.0} | 2022-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 4587000.0} | 2021-12-31 | esef |
| ifrs:CashAndCashEquivalents | {"amount": 5677000.0} | 2020-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -111000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -111000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -120000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInFinancingActivities | {"amount": -261000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -11000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 4000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": 2683000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInInvestingActivities | {"amount": -49000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -1658000.0} | 2024-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -1554000.0} | 2023-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -971000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsFromUsedInOperatingActivities | {"amount": -780000.0} | 2021-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": -2710000.0} | 2022-12-31 | esef |
| ifrs:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress | {"amount": 52000.0} | 2024-12-31 | esef |
| ifrs:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress | {"amount": 61000.0} | 2023-12-31 | esef |
| ifrs:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress | {"amount": 77000.0} | 2022-12-31 | esef |
| ifrs:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress | {"amount": 63000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -1580000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -1169000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncome | {"amount": -2563000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToNoncontrollingInterests | {"amount": -15000.0} | 2021-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -1482000.0} | 2024-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -1580000.0} | 2023-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -1169000.0} | 2022-12-31 | esef |
| ifrs:ComprehensiveIncomeAttributableToOwnersOfParent | {"amount": -2548000.0} | 2021-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 6143000.0} | 2024-12-31 | esef |
| ifrs:CurrentAssets | {"amount": 7818000.0} | 2023-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 7818000.0} | 2023-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 9457000.0} | 2022-12-31 | esef |
| ifrs:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners | {"amount": 9595000.0} | 2021-12-31 | esef |
| ifrs:CurrentLeaseLiabilities | {"amount": 65000.0} | 2024-12-31 | esef |
| ifrs:CurrentLeaseLiabilities | {"amount": 108000.0} | 2023-12-31 | esef |
| ifrs:CurrentLeaseLiabilities | {"amount": 101000.0} | 2022-12-31 | esef |
| ifrs:CurrentLeaseLiabilities | {"amount": 104000.0} | 2021-12-31 | esef |
| ifrs:CurrentLiabilities | {"amount": 386000.0} | 2024-12-31 | esef |
| ifrs:CurrentLiabilities | {"amount": 641000.0} | 2023-12-31 | esef |
| ifrs:CurrentLiabilities | {"amount": 810000.0} | 2022-12-31 | esef |
| ifrs:CurrentLiabilities | {"amount": 1726000.0} | 2021-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 17000.0} | 2024-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 34000.0} | 2023-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 203000.0} | 2022-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesCurrent | {"amount": 205000.0} | 2021-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesNoncurrent | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesNoncurrent | {"amount": 3000.0} | 2022-12-31 | esef |
| ifrs:CurrentTaxLiabilitiesNoncurrent | {"amount": 29000.0} | 2021-12-31 | esef |
| ifrs:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 121000.0} | 2023-12-31 | esef |
| ifrs:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 128000.0} | 2022-12-31 | esef |
| ifrs:DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss | {"amount": 106000.0} | 2021-12-31 | esef |
| ifrs:DepreciationAndAmortisationExpense | {"amount": 132000.0} | 2024-12-31 | esef |
| ifrs:DepreciationAndAmortisationExpense | {"amount": 121000.0} | 2023-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 137000.0} | 2024-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 239000.0} | 2023-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 307000.0} | 2022-12-31 | esef |
| ifrs:EmployeeBenefitsExpense | {"amount": 365000.0} | 2021-12-31 | esef |
| ifrs:Equity | {"amount": 6328000.0} | 2024-12-31 | esef |
| ifrs:Equity | {"amount": 7816000.0} | 2023-12-31 | esef |
| ifrs:Equity | {"amount": 9396000.0} | 2022-12-31 | esef |
| ifrs:Equity | {"amount": 10565000.0} | 2021-12-31 | esef |
| ifrs:Equity | {"amount": 13341000.0} | 2020-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 6768000.0} | 2024-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 8589000.0} | 2023-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 10322000.0} | 2022-12-31 | esef |
| ifrs:EquityAndLiabilities | {"amount": 12379000.0} | 2021-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 6328000.0} | 2024-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 7816000.0} | 2023-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 9396000.0} | 2022-12-31 | esef |
| ifrs:EquityAttributableToOwnersOfParent | {"amount": 10565000.0} | 2021-12-31 | esef |
| ifrs:FinanceCosts | {"amount": 3000.0} | 2024-12-31 | esef |
| ifrs:FinanceCosts | {"amount": -20000.0} | 2023-12-31 | esef |
| ifrs:FinanceCosts | {"amount": 8000.0} | 2022-12-31 | esef |
| ifrs:FinanceCosts | {"amount": 29000.0} | 2021-12-31 | esef |
| ifrs:FinanceIncome | {"amount": 61000.0} | 2024-12-31 | esef |
| ifrs:FinanceIncome | {"amount": 79000.0} | 2023-12-31 | esef |
| ifrs:FinanceIncome | {"amount": 59000.0} | 2022-12-31 | esef |
| ifrs:FinanceIncome | {"amount": 73000.0} | 2021-12-31 | esef |
| ifrs:IncomeTaxesPaidRefundClassifiedAsOperatingActivities | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:IncomeTaxesPaidRefundClassifiedAsOperatingActivities | {"amount": -32000.0} | 2023-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:IncomeTaxExpenseContinuingOperations | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalents | {"amount": -1780000.0} | 2024-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalents | {"amount": -1661000.0} | 2023-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalents | {"amount": 1592000.0} | 2022-12-31 | esef |
| ifrs:IncreaseDecreaseInCashAndCashEquivalents | {"amount": -1090000.0} | 2021-12-31 | esef |
| ifrs:IncreaseDecreaseThroughAppropriationOfRetainedEarnings | {"amount": 0.0} | 2023-12-31 | esef |
| ifrs:IncreaseDecreaseThroughAppropriationOfRetainedEarnings | {"amount": 0.0} | 2024-12-31 | esef |
| ifrs:IncreaseDecreaseThroughAppropriationOfRetainedEarnings | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:IncreaseDecreaseThroughAppropriationOfRetainedEarnings | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:IncreaseDecreaseThroughExerciseOfWarrantsEquity | {"amount": 2000.0} | 2024-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransfersAndOtherChangesEquity | {"amount": -12000.0} | 2024-12-31 | esef |
| ifrs:IncreaseDecreaseThroughTransfersAndOtherChangesEquity | {"amount": -213000.0} | 2021-12-31 | esef |
| ifrs:IntangibleAssetsOtherThanGoodwill | {"amount": 16000.0} | 2024-12-31 | esef |
| ifrs:IntangibleAssetsOtherThanGoodwill | {"amount": 6000.0} | 2023-12-31 | esef |
| ifrs:IntangibleAssetsOtherThanGoodwill | {"amount": 13000.0} | 2022-12-31 | esef |
| ifrs:IntangibleAssetsOtherThanGoodwill | {"amount": 0.0} | 2021-12-31 | esef |
| ifrs:Inventories | {"amount": 1808000.0} | 2024-12-31 | esef |
| ifrs:Inventories | {"amount": 1860000.0} | 2023-12-31 | esef |
| ifrs:Inventories | {"amount": 1921000.0} | 2022-12-31 | esef |
| ifrs:Inventories | {"amount": 978000.0} | 2021-12-31 | esef |
| ifrs:InvestmentAccountedForUsingEquityMethod | {"amount": 0.0} | 2022-12-31 | esef |
| ifrs:InvestmentAccountedForUsingEquityMethod | {"amount": 1720000.0} | 2021-12-31 | esef |
| ifrs:InvestmentProperty | {"amount": 470000.0} | 2024-12-31 | esef |
| ifrs:InvestmentProperty | {"amount": 570000.0} | 2023-12-31 | esef |
| ifrs:InvestmentProperty | {"amount": 570000.0} | 2022-12-31 | esef |
| ifrs:InvestmentProperty | {"amount": 570000.0} | 2021-12-31 | esef |
| ifrs:IssuedCapital | {"amount": 5005000.0} | 2024-12-31 | esef |