Document And Entity Information Other receivables Fair Value Measurement, Policy [Policy Text Block] Note To Financial Statement Details Textual Significant Accounting Policies Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts Note 6 - Loans Payable Segment Reporting, Policy [Policy Text Block] Note 7 - Real Estate Note 8 - Accounts Payable and Accrued Liabilities Note 12 - Commitments Note 17 - Related Party Transactions Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts - Change in Liability for Estimated Costs of Estimated Receipts (Details) Income Tax Disclosure [Text Block] Note 6 - Loans Payable - Loan Maturity (Details) Note 7 - Real Estate - Real Estate Disclosure (Details) Note 8 - Accounts Payable and Accrued Liabilities - Accounts Payable and Accrued Liabilities (Details) Note 8 - Accrued Liabilities and Accrued Liabilities - Summary of Accrued Liabilities (Details) gyro_OperatingLeaseIncomeComprehensiveIncomeExtensibleListNotDisclosedFlag Operating Lease Income Comprehensive Income Extensible List Not Disclosed Flag Indicates line item in operating lease income comprehensive income. Schedule of Maturities of Long-Term Debt [Table Text Block] Note 12 - Commitments - Other Commitments (Details) Note 12 - Commitments - Schedule of Allocation of Bonus Pool Percentage (Details) Note 12 - Commitments - Shares Distributed (Details) Note 17 - Related Party Transactions - Summary of Leasing Arrangements (Details) Earnings Per Share, Policy [Policy Text Block] Notes To Financial Statements Notes To Financial Statements [Abstract] gyro_PaymentForRetentionBonusPlan Payment for Retention Bonus Plan The cash outflow during the period from the payment for the Retention Bonus Plan. gyro_ProceedsFromRightsOfferingNet Proceeds from Rights Offering, Net Amount of net proceeds provided from a rights offering. gyro_RightsOfferingMaximumAggregateGrossProceedsSought Rights Offering, Maximum Aggregate Gross Proceeds Sought The maximum amount of aggregate gross proceeds sought to be raised in a rights offering. gyro_RightsOfferingPercentageOfEachOversubscribersRequestedSharesAllocated Rights Offering, Percentage of Each Over-subscribers Requested Shares Allocated The percentage of each over-subscriber's requested shares allocated from a rights offering. gyro_RightsOfferingCommonSharesAllocatedToShareholdersFromExerciseOfOversubscriptionPrivilege Rights Offering, Common Shares Allocated to Shareholders from Exercise of Oversubscription Privilege Number of common shares allocated to shareholders from the exercise of oversubscription privileges in a rights offering. Paul Lamb (in shares) gyro_ProceedsFromRightsOfferingGross Proceeds from Rights Offering, Gross Amount of gross proceeds from rights offering. gyro_RightsOfferingCommonSharesIssued Rights Offering, Common Shares Issued Number of common shares issued in a rights offering. gyro_RightsOfferingAggregateCommonSharesPurchasableFromSubscriptionRights Rights Offering, Aggregate Common Shares Purchasable from Subscription Rights Aggregate number of common shares purchasable from subscription rights in a rights offering. gyro_RightsOfferingPercentageOfBasicSubscriptionsAllocatedToShareholders Rights Offering, Percentage of Basic Subscriptions Allocated to Shareholders The percentage of basic subscriptions allocated to shareholders from a rights offering. Nonvested Restricted Stock Shares Activity [Table Text Block] gyro_RightsOfferingNumberOfCommonSharesReceivedFromSubscriptions Rights Offering, Number of Common Shares Received from Subscriptions The number of common shares received from subscriptions in a rights offering. gyro_RightsOfferingNumberOfSubscriptionRightsIssuedPerCommonSharesHeld Rights Offering, Number of Subscription Rights Issued Per Common Shares Held Number of subscription rights issued per amount of common shares held in a rights offering. gyro_RightsOfferingIssuanceCosts Rights Offering, Issuance Costs Amount of issuance costs from a rights offering. gyro_RightsOfferingNumberOfSharesRequiredForIssuanceOfEachSubscriptionRight Rights Offering, Number of Shares Required for Issuance of Each Subscription Right The number of shares required to for issuance of each subscription right in a rights offering. Federal Home Loan Bank Rate [Member] Related to the interest rate from the Federal Home Loan Bank. US Treasury (UST) Interest Rate [Member] us-gaap_AssetsNet Net assets Net Assets Net assets, beginning of period Net assets, end of period gyro_DeferredCompensationArrangementFixedInterestRate Deferred Compensation, Arrangement Fixed Interest Rate Represents the deferred compensation arrangement, fixed interest rate. Fair Value, Recurring and Nonrecurring [Table] Long-Lived Asset, Held-for-Sale, Type [Axis] Long-Lived Assets Held-for-Sale, Name [Domain] Common Stock, Shares Authorized (in shares) Common Stock, Shares, Issued (in shares) gyro_LiquidationBasisOfAccountingIncreaseDecreaseInRealEstateValuePrepaymentPenaltyLoanExtensionAndNewLoanFees Liquidation Basis of Accounting, Increase (Decrease) in Real Estate Value, Prepayment Penalty, Loan Extension, and New Loan Fees The increase/decrease in real estate value, prepayment penalty, loan extension, and new loan fees under the liquidation basis of accounting. Accrued liabilities Total Payroll and related taxes us-gaap_EmployeeRelatedLiabilitiesCurrent Statistical Measurement [Domain] Lessee, Lease, Description [Table] Maximum [Member] Minimum [Member] Current accounts payable gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnCommonAreaExpenditures Capital expenditures, expenditures (receipts) Amount of gain (loss) from remeasurement of common area expenditures to dispose of assets or other items expected to be sold in liquidation. Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Statistical Measurement [Axis] Capital expenditures Capital expenditures gyro_LiquidationBasisOfAccountingCommonAreaExpenditures Amount of estimated common area expenditures to dispose of assets or other items expected to be sold in liquidation. us-gaap_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedCostsToDisposeOfAssetsAndLiabilities Liability for estimated liquidation and operating costs net of estimated receipts, expenditures (receipts) Credit Facility [Axis] Capital expenditures, remeasurement gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAssetCommonAreaExpenditures Amount of gain (loss) from remeasurement of common area expenditure to reflect the change in value under liquidation basis. Credit Facility [Domain] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum us-gaap_PolicyTextBlockAbstract Accounting Policies Liability for estimated liquidation and operating costs net of estimated receipts Liability for estimated liquidation and operating costs net of estimated receipts Estimated liquidation and operating costs net of receipts Liquidation Basis of Accounting, Accrued Costs to Dispose of Assets and Liabilities Geographical [Axis] Geographical [Domain] Liquidation Basis of Accounting [Text Block] Professional fees gyro_DebtInstrumentCovenantMinimumDebtServiceCoverageRatio Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio The minimum debt service coverage ratio under the covenant of the debt instrument. gyro_LiquidationBasisOfAccountingCommonStockPerShareNet Liquidation Basis of Accounting, Common Stock Per Share, Net Represents the common stock per share that is expected to be distributed in liquidation, net of any special distributions made. Schedule of Allocation of Bonus Pool Percentage [Table Text Block] Tabular disclosure of allocation of bonus pool percentage under deferred compensation arrangement. gyro_DebtInstrumentCovenantMaximumLoanToValueRatioOfTheProperty Debt Instrument, Covenant, Maximum Loan to Value Ratio of the Property The maximum percentage of loan to value ratio of the property under the covenant of the debt instrument. Customer [Axis] Customer [Domain] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized LIABILITIES: us-gaap_Assets Total Assets Plan Name [Axis] Plan Name [Domain] Commitments Disclosure [Text Block] Statement [Line Items] us-gaap_OperatingLeaseLeaseIncome Operating Lease, Lease Income, Total gyro_DebtInstrumentExtensionTerm Debt Instrument, Extension Term The extension term of a debt instrument. Board of Directors Chairman [Member] Operating Leases, Rent Expense, Net Amount of costs associated with timeline extensions under the liquidation basis of accounting. Chief Operating Officer [Member] Award Type [Domain] Chief Executive Officer [Member] Effective Income Tax Rate Reconciliation [Table] gyro_LandDevelopmentFees Land Development Fees The amount of expense in the period for land development fees Fair Value Disclosures [Text Block] Award Type [Axis] ASSETS: us-gaap_Liabilities Total Liabilities Restricted Stock [Member] Lease Term April 2022 Through December 2027 [Member] Represents a lease with term from April 2022 through December 2027. Director [Member] The Corporation [Member] Represents Gyrodyne Company of America Inc. gyro_LiquidationBasisOfAccountingSellingCostsAndRetentionBonuses Liquidation Basis of Accounting, Selling Costs and Retention Bonuses The amount of selling costs and retention bonuses included in the costs and income through the sale of assets in liquidation. Tenant security deposits payable Counterparty Name [Axis] Counterparty Name [Domain] Controlled by Parent Company [Member] The properties controlled by the parent company. Loss Contingencies [Table] Deferred Compensation to Directors (b) Contingencies Disclosure [Text Block] Total accounts payable Accounts payable gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiabilityClosingCreditForInfrastructureCosts Closing credit for infrastructure costs, remeasurement Amount of gain (loss) from remeasurement of closing credit for infrastructure costs to reflect the change in value under liquidation basis. Total, accrued liabilities Accrued liabilities gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedClosingCreditForInfrastructureCosts Closing credit for infrastructure costs, expenditures (receipts) Amount of gain (loss) from remeasurement of closing credit for infrastructure costs dispose of assets or other items expected to be sold in liquidation. Long-Term Debt, Type [Axis] Long-Term Debt, Type [Domain] gyro_PaymentForBoardFees Payment for Board Fees The amount of cash outflow for the payment of board fees. Closing credit for infrastructure costs Closing credit for infrastructure costs gyro_LiquidationBasisOfAccountingAccruedClosingCreditForInfrastructureCosts Liquidation Basis of Accounting, Accrued Closing Credit for Infrastructure Costs Amount of estimated accrued closing credit for infrastructure costs to dispose of assets or other items expected to be sold in liquidation. Officer [Member] Rights Offering [Member] Information pertaining to the rights offering for the company's existing shareholders. Liquidation Basis of Accounting [Policy Text Block] The policy disclosure of accounting basis used when liquidation is deemed imminent. Lease Term March 2022 Through December 2027 [Member] Represents a lease with a term from March 2022 through December 2027. gyro_SaleOfRealEstatePropertyInfrastructureCosts Sale of Real Estate Property, Infrastructure Costs The infrastructure costs of real estate property. gyro_EscalatorsAndAgreementsPercentage Escalators and Agreements, Percentage Represents the percentage related to escalators and agreements. Cortlandt Manor Medical Center [Member] Represents information about Cortlandt Manor Medical Center. Scenario [Domain] Other accounts payable (a) Forecast [Member] gyro_PaymentsFeesDeferredPercentage Payments, Fees, Deferred Percentage The percentage of payments being deferred. Title and Position [Domain] Title and Position [Axis] Scenario [Axis] Related Party Transaction [Table] gyro_BelowMarketLeaseTotalCommitmentToBeReceived Below Market Lease, Total Commitment to be Received The total commitment to be received of the below market lease. Cortlandt, New York [Member] Represents Cortlandt, New York. gyro_InterestAccruedMonthlyRatePercentage Interest Accrued Monthly Rate, Percentage The amount of interest to accrue on a monthly basis. Deferred rent liability Issuance of common shares, net Represents the issuance of common shares, net on a liquidation basis of accounting. gyro_PaymentOutstandingInvoices Payment Outstanding Invoices The payment required on outstanding invoices. Related Party Transactions Disclosure [Text Block] Remeasurement of assets and liabilities Amount of gain (loss) from re-measurement of assets, net of liabilities, to reflect the change in value under liquidation basis. gyro_BelowMarketLeaseAnnualRent Below Market Lease, Annual Rent The annual rent of the below market lease. Schedule of Related Party Transactions [Table Text Block] Collateral Held [Domain] Extended Term Loan [Member] Represents the extended term loan. Collateral Pledged [Member] If Maturity Date Is Extended [Member] Represents if maturity date is extended. Equity Components [Axis] Equity Component [Domain] Subscription Rights [Member] Represents information pertaining to subscription rights. us-gaap_LongTermDebt Total Collateral Held [Axis] Bonus Payable [Member] Other commitments for bonus payables. us-gaap_RealEstateHeldforsale Real estate held for sale Net Realizable Value at beginning of period Net Realizable Value on December 31, us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Annual Rent The annual rent in a leasing arrangement. Rental Income [Member] Represents rental income. Class of Warrant or Right [Table] us-gaap_DebtInstrumentTerm Debt Instrument, Term dei_IcfrAuditorAttestationFlag ICFR Auditor Attestation Flag Mortgage loans payable Long-term Line of Credit, Total Flowerfield Properties, Inc. [Member] The name or description of the legal entity. us-gaap_RealEstateTaxExpense Real Estate Tax Expense Cash and cash equivalents Rights Offering [Text Block] Represents the entire disclosure for rights offerings. gyro_SaleOfRealEstatePropertyPurchasePrice Sale of Real Estate Property, Purchase Price The purchase price of the real estate property. dei_DocumentAnnualReport Document Annual Report St. James Flowerfield Complex [Member] Represents information pertaining to the St. James Flowerfield Complex. Cash and Cash Equivalents, Policy [Policy Text Block] gyro_DirectorFeesDeferredPercentage Director Fees, Deferred, Percentage The percentage of director fees that deferred. dei_EntityIncorporationStateCountryCode Entity Incorporation, State or Country Code Amendment Flag Accounting Policies [Abstract] Significant Accounting Policies [Text Block] dei_DocumentTransitionReport Document Transition Report dei_CityAreaCode City Area Code dei_DocumentFinStmtErrorCorrectionFlag Document Financial Statement Error Correction [Flag] gyro_RegulatoryFees Regulatory Fees Represents regulatory fees. Use of Estimates, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Concentration Risk Disclosure [Text Block] dei_EntityInteractiveDataCurrent Entity Interactive Data Current Concentration Risk [Table] 2029 2030 Security Exchange Name us-gaap_CommonStockSharesOutstanding Common Stock, Shares, Outstanding us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextRollingTwelveMonths 2026 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearTwo 2027 Title of 12(b) Security us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInRollingYearThree 2028 Current Fiscal Year End Date us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 Debt Instrument, Basis Spread on Variable Rate us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage gyro_OwnershipPercentage Ownership Percentage Percentage of ownership of outstanding stock in the company. Document Fiscal Period Focus Document Fiscal Year Focus Consolidation, Policy [Policy Text Block] Star Equity Fund, LP [Member] Represents Star Equity Fund, LP. dei_DocumentPeriodEndDate Document Period End Date Retail Use [Member] Represents retail use. Medical Use [Member] Represents medical use. dei_EntityFileNumber Entity File Number dei_EntityEmergingGrowthCompany Entity Emerging Growth Company us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount Real Estate Disclosure [Text Block] dei_DocumentType Document Type Real Estate [Table] Real Estate, Type of Property [Axis] dei_EntitySmallBusiness Entity Small Business Real Estate [Domain] Accounts and Financing Receivables [Table] dei_EntityShellCompany Entity Shell Company dei_AuditorName Auditor Name Document Information [Line Items] Document Information [Table] Square Feet (Square Foot) Area of Real Estate Property dei_EntityPublicFloat Entity Public Float dei_EntityFilerCategory Entity Filer Category Auditor Firm ID Debt Instrument [Axis] dei_EntityCurrentReportingStatus Entity Current Reporting Status Debt Instrument, Name [Domain] dei_EntityVoluntaryFilers Entity Voluntary Filers dei_AuditorLocation Auditor Location dei_EntityWellKnownSeasonedIssuer Entity Well-known Seasoned Issuer Name of Property [Axis] Name of Property [Domain] Award Timing Disclosures [Line Items] Multi-Tenant Industrial Park [Member] Information related to the Multi-Tenant Industrial Park. gyro_PaymentOfFutureOutstandingInvoices Payment of Future Outstanding Invoices The agreement to pay future outstanding invoices. St. James, New York [Member] Represents information pertaining to St. James, New York. Variable Rate [Domain] Rent receivable Prime Rate [Member] Total commitment us-gaap_NumberOfRealEstateProperties Number of Real Estate Properties Supplier Finance Program [Table] Management Employment Agreements with Bonus and Severance Commitment Contingencies [Member] Information pertaining to employment agreements with bonus and severance commitment contingencies. Other Employee Severance Commitment Contingencies [Member] Information pertaining to other employee severance commitment contingencies. Variable Rate [Axis] Award Timing, How MNPI Considered [Text Block] gyro_LiquidationBasisOfAccountingLandEntitlementCostsIncurred Liquidation Basis of Accounting, Land Entitlement Costs Incurred Amount of land entitlement costs to dispose of assets or other items expected to be sold in liquidation recognized in the period. us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage ecd_AwardTmgMnpiCnsdrdFlag Award Timing MNPI Considered [Flag] Schedule of Real Estate Properties [Table Text Block] dei_EntityTaxIdentificationNumber Entity Tax Identification Number Entity Central Index Key Insider Trading Policies and Procedures [Line Items] dei_EntityRegistrantName Entity Registrant Name gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedLandEntitlementCosts Land entitlement costs, expenditures (receipts) Amount of gain (loss) from remeasurement of estimated accrued land entitlement costs to dispose of assets or other items expected to be sold in liquidation. Insider Trading Policies and Procedures Adopted [Flag] Insider Trading Policies and Procedures Adopted [Flag] Land entitlement costs Land entitlement costs gyro_LiquidationBasisOfAccountingAccruedLandEntitlementCosts Amount of estimated accrued land entitlement costs to dispose of assets or other items expected to be sold in liquidation. Entity [Domain] Customer Concentration Risk [Member] Legal Entity [Axis] Non-revolving Credit Line 2 [Member] Related to a second non-revolving line of credit. Statement [Table] dei_EntityAddressAddressLine1 Entity Address, Address Line One Statement of Financial Position [Abstract] Approximate [Member] Represents the approximation. Land entitlement costs, remeasurement gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiabilityLandEntitlementCosts Amount of gain (loss) from remeasurement of land entitlement costs to reflect the change in value under liquidation basis. ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Accounts Payable and Accrued Liabilities Disclosure [Text Block] dei_EntityAddressCityOrTown Entity Address, City or Town ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] dei_EntityAddressPostalZipCode Entity Address, Postal Zip Code gyro_RealEstateHeldforsalePeriodIncreaseDecrease Real Estate, Held-for-sale, Period Increase (Decrease) Amount of increase (decrease) before accumulated depreciation of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. Business Combination [Axis] dei_EntityAddressStateOrProvince Entity Address, State or Province ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Business Combination [Domain] Credit Loss, Financial Instrument [Policy Text Block] Concentration Risk Type [Axis] Material Terms of Trading Arrangement [Text Block] us-gaap_AllowanceForDoubtfulAccountsReceivable Accounts Receivable, Allowance for Credit Loss, Ending Balance Concentration Risk Type [Domain] dei_EntityCommonStockSharesOutstanding Entity Common Stock, Shares Outstanding (in shares) Trading Arrangements, by Individual [Table] Statement of Stockholders' Equity [Abstract] Lease Contractual Term [Domain] Lease Contractual Term [Axis] Disposal Groups, Including Discontinued Operations [Table] gyro_PolicyTable Schedule of Accrued Liabilities [Table Text Block] us-gaap_RepaymentsOfDebt Repayments of Debt Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] dei_TradingSymbol Trading Symbol Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Nature of Operation, Product Information, Concentration of Risk [Table] Concentration Risk Benchmark [Axis] gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiability Liability for estimated liquidation and operating costs net of estimated receipts, remeasurement Amount of gain (loss) from re-measurement of liabilities to reflect the change in value under liquidation basis. Concentration Risk Benchmark [Domain] Change in liquidation value of real estate Liquidation Basis of Accounting Change in Liquidation Value of Real Estate Amount of change in real estate to reflect the change in value under liquidation basis. Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Mortgage Loan [Member] Mortgage Loan dei_LocalPhoneNumber Local Phone Number gyro_LiquidationBasisOfAccountingLandDevelopmentCosts Liquidation Basis of Accounting, Land Development Costs Amount of estimated land development costs to dispose of assets or other items expected to be sold in liquidation. us-gaap_TableTextBlock Notes Tables gyro_LiquidationBasisOfAccountingCommonStockPerShare Liquidation Basis of Accounting, Common Stock Per Share Represents the common stock per share that is expected to be distributed in liquidation. Contractual obligation Other Commitment Invoice Payable Starting 2025 [Member] The invoices payable starting in the year 2025 Liquidation Basis of Accounting, Liability for Estimated Costs in Excess of Receipts [Text Block] The entire disclosure for liability for estimated costs in excess of receipts during liquidation. Invoice Payable Through 2024 [Member] The invoice payable through the year 2024 Accounting Standards Update and Change in Accounting Principle [Table] Term Loan [Member] Information related form the term loan. us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross Stock Issued During Period, Shares, Restricted Stock Award, Gross Liquidation Basis of Accounting, Change in Liability for Estimated Costs in Excess of Estimated Receipts [Table Text Block] Tabular disclosure for the change in liability for estimated costs in excess of estimated receipts on the liquidation basis of accounting. us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Property operating costs Property operating costs gyro_LiquidationBasisOfAccountingAccruedPropertyOperatingExpenses Amount of estimated accrued property operating expenses to dispose of assets or other items expected to be sold in liquidation. Non-revolving Credit Line [Member] Related to a non-revolving line of credit. gyro_LiquidationBasisOfAccountingAccruedRentAndReimbursements Estimated rents and reimbursements Estimated rents and reimbursements Amount of estimated accrued rent and reimbursements to dispose of assets or other items expected to be sold in liquidation. Corporate expenditures Corporate expenditures gyro_LiquidationBasisOfAccountingAccruedCorporateExpenditures Amount of estimated accrued corporate expenditures to dispose of assets or other items expected to be sold in liquidation. Related and Nonrelated Parties [Axis] gyro_LiquidationBasisOfAccountingCovenantValueOfAssetRequiredToEnactDissolution Liquidation Basis of Accounting, Covenant, Value of Asset Required to Enact Dissolution The value of assets required to enact dissolution from the liquidation basis of accounting. Related and Nonrelated Parties [Domain] us-gaap_AreaOfLand Area of Land Other Commitments [Table Text Block] Selling costs on real estate assets Selling costs on real estate assets gyro_LiquidationBasisOfAccountingAccruedRealEstateSellingCosts Amount of estimated accrued real estate selling costs to dispose of assets or other items expected to be sold in liquidation. gyro_LiquidationBasisOfAccountingPrepaidExpensesAndOtherAssets Prepaid expenses and other assets Prepaid expenses and other assets Amount of prepaid expenses and other assets in the liquidation basis of accounting. Other Commitments [Axis] Retention bonus payments to officers and employees* Retention bonus payments to officers and employees* gyro_LiquidationBasisOfAccountingAccruedRetentionBonusPaymentsToExecutivesAndOtherEmployees Amount of estimated accrued retention bonus payments to executive and other employees to dispose of assets or other items expected to be sold in liquidation. Other Commitments [Domain] Flowerfield Industrial Park [Member] Related to the Flowerfield Industrial Park. Real Estate Securing Mortgage Loan [Member] Related to the real estate securing a mortgage loan. gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedInvestmentOfRealEstate Estimated rents and reimbursements, expenditures (receipts) Amount of gain (loss) from remeasurement of estimated accrued investment of real estate to dispose of assets or other items expected to be sold in liquidation. After Interest Only Payment Period [Member] Related to the period where principal and interest payments are made on the debt. gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedPropertyOperatingCosts Property operating costs, expenditures (receipts) Amount of gain (loss) from remeasurement of estimated accrued property operating costs to dispose of assets or other items expected to be sold in liquidation. Chief Executive Officer The percentage amount of the discretionary bonus pool applicable to certain defined benefit plans. Net increase in liquidation value Liquidation Basis of Accounting, Net Increase (Decrease) in Liquidation Value Liquidation Basis of Accounting, Net Increase (Decrease) in Liquidation Value The net increase or decrease in liquidation value during the current period. gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedCorporateExpenditures Corporate expenditures, expenditures (receipts) Amount of gain (loss) from remeasurement of estimated accrued corporate expenditures to dispose of assets or other items expected to be sold in liquidation. Line of Credit Facility [Table] gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedSellingCostsOnRealEstateAssets Selling costs on real estate assets, expenditures (receipts) Amount of gain (loss) from remeasurement of estimated accrued selling costs on real estate assets to dispose of assets or other items expected to be sold in liquidation. Director 2 [Member] Represents director 2. Director 1 [Member] Represents director 1. gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAccruedRetentionBonusPaymentsToExecutivesAndOtherEmployees Retention bonus payments to officers and employees*, expenditures (receipts) Amount of gain (loss) from remeasurement of estimated accrued retention bonus payments to executives and other employees to dispose of assets or other items expected to be sold in liquidation. Director 4 [Member] Represents director 4. Director 3 [Member] Represents director 3. gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnAssetInvestmentOfRealEstate Estimated rents and reimbursements, remeasurement Amount of gain (loss) from remeasurement of investment in real estate to reflect the change in value under liquidation basis. Asset Pledged as Collateral [Member] Governance [Text Block] The entire disclosure for governance. gyro_LiquidationBasisOfAccountingIncreaseDecreaseInPrepaidExpensesAndOtherAssets Prepaid expenses and other assets, expenditures (receipts) Amount of increase (decrease) in prepaid expenses, and assets classified as other in a liquidation basis of accounting. Property operating costs, remeasurement gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiabilityPropertyOperatingCosts Amount of gain (loss) from remeasurement of property operating costs to reflect the change in value under liquidation basis. Corporate expenditures, remeasurement gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiabilityCorporateExpenditures Amount of gain (loss) from remeasurement of corporate expenditures to reflect the change in value under liquidation basis. gyro_NetAssetsInLiqiudation Net Assets in Liqiudation Amount of net assets in liquidation. Selling costs on real estate assets, remeasurement gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiabilitySellingCostsOnRealEstateAssets Amount of gain (loss) from remeasurement of selling costs on real estate assets to reflect the change in value under liquidation basis. Stock Plan [Member] Represents stock plan. Retention bonus payments to officers and employees*, remeasurement gyro_LiquidationBasisOfAccountingRemeasurementGainLossOnLiabilityRetentionBonusPaymentsToExecutivesAndOtherEmployees Retention bonus payments to officers and employees Amount of gain (loss) from remeasurement of retention bonus payments to executives and other employees to reflect the change in value under liquidation basis. Tenant Two [Member] Represents information pertaining to tenant two. Debt Disclosure [Text Block] Tenant One [Member] Represents information pertaining to tenant one. Tenant Three [Member] Represents information pertaining to tenant three. Pledged Status [Domain] Pledged Status [Axis] Not-for-profit Corporation [Member] Represents a not-for-profit organization. us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements Subsequent Event [Member] Non-revolving Credit Line 3 [Member] Related to a third non-revolving line of credit. Class of Stock [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Tenant 3 [Member] Refers to information regarding the third tenant. Tenant 1 [Member] Refers to information regarding the first tenant. Tenant 2 [Member] Refers to information regarding the second tenant. gyro_DebtInstrumentAmortizationPeriod Debt Instrument, Amortization Period (Year) The amortization period of the debt instrument. Prepaid expenses and other assets, remeasurement The amount of Gain/(Loss) from the remeasurement of prepaid expenses and other assets for the liquidation basis of accounting.