XML 76 R28.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 4 - Statements of Net Assets in Liquidation (Details Textual) - USD ($) | 3 Months Ended | 21 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2026 | Dec. 31, 2024
Common Stock, Shares, Outstanding (in shares) | 2,199,308 |  |
Land Development Fees | $ 50,000 |  |
Liquidation Basis of Accounting, Land Entitlement Costs Incurred | 76,000 |  |
Net Assets in Liqiudation | $ 30,812,390 |  | $ 30,596,313
Liquidation Basis of Accounting, Common Stock Per Share | $ 14.01 |  | $ 13.91
Basis of Accounting, Liquidation [Member] |  |  |
Net Assets | $ 30,812,390 |  | $ 30,596,313
Liquidation Basis of Accounting, Common Stock Per Share, Net (in dollars per share) | $ 14.01 |  | $ 13.91
Common Stock, Shares, Outstanding (in shares) | 2,199,308 |  |
Net increase in liquidation value | $ 216,077 |  |
Liquidation Basis of Accounting, Increase in Rental Revenue | 180,000 |  |
Operating Leases, Rent Expense, Net | (16,000) |  |
General and Administrative Fees Expense | $ (67,000) |  |
Forecast [Member] |  |  |
Liquidation Basis of Accounting, Land Entitlement Costs Incurred |  | $ 1,212,000 |
Liquidation Basis of Accounting, Land Development Costs |  | 1,212,000 |
Real Estate Tax Expense |  | 253,000 |
Regulatory Fees |  | $ 408,000 |

X
- Definition The amount of expense in the period for land development fees + References No definition available. + Details
Name: | gyro_LandDevelopmentFees
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the common stock per share that is expected to be distributed in liquidation. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingCommonStockPerShare
Namespace Prefix: | gyro_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the common stock per share that is expected to be distributed in liquidation, net of any special distributions made. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingCommonStockPerShareNet
Namespace Prefix: | gyro_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of the increase (decrease) in general and administrative fees under the liquidation basis of accounting. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingIncreaseDecreaseInGeneralAndAdministrativeFees
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of the increase (decrease) in rental expenses under the liquidation basis of accounting. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingIncreaseDecreaseInRentalExpenses
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of the increase in rental revenue under the liquidation basis of accounting. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingIncreaseInRentalRevenue
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of estimated land development costs to dispose of assets or other items expected to be sold in liquidation. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingLandDevelopmentCosts
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of land entitlement costs to dispose of assets or other items expected to be sold in liquidation recognized in the period. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingLandEntitlementCostsIncurred
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net increase or decrease in liquidation value during the current period. + References No definition available. + Details
Name: | gyro_LiquidationBasisOfAccountingNetIncreaseDecreaseInLiquidationValue
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of net assets in liquidation. + References No definition available. + Details
Name: | gyro_NetAssetsInLiqiudation
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents regulatory fees. + References No definition available. + Details
Name: | gyro_RegulatoryFees
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of net assets (liabilities). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 30 -Topic 205 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479910/205-30-50-1 + Details
Name: | us-gaap_AssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.6-05(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(16)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 720 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483384/720-30-45-3 + Details
Name: | us-gaap_RealEstateTaxExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=gyro_BasisOfAccountingLiquidationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |