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Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Liquidation Basis of Accounting, Change in Liability for Estimated Costs in Excess of Estimated Receipts [Table Text Block] |
|  | January 1, 2020 |  |  | Expenditures/ (Receipts) |  |  | Remeasurement of Assets and Liabilities |  |  | December 31, 2020 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated rents and reimbursements |  | $ | 4,309,328 |  |  | $ | (2,432,540 | ) |  | $ | 3,049,860 |  |  | $ | 4,926,648 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property operating costs |  |  | (2,594,954 | ) |  |  | 1,506,037 |  |  |  | (1,972,487 | ) |  |  | (3,061,404 | )
Capital expenditures |  |  | (474,133 | ) |  |  | 13,495 |  |  |  | - |  |  |  | (460,638 | )
Land entitlement costs |  |  | (1,847,127 | ) |  |  | 1,013,966 |  |  |  | (657,538 | ) |  |  | (1,490,699 | )*
Corporate expenditures |  |  | (6,196,551 | ) |  |  | 2,139,978 |  |  |  | (2,287,769 | ) |  |  | (6,344,342 | )
Selling costs on real estate assets** |  |  | (3,497,200 | ) |  |  | - |  |  |  | 439,203 |  |  |  | (3,057,997 | )
Retention bonus payments to directors, officers and employees** |  |  | (4,680,518 | ) |  |  | - |  |  |  | 1,767,038 |  |  |  | (2,913,480 | )
Less prepaid expenses and other assets |  |  | 603,679 |  |  |  | 245,293 |  |  |  | - |  |  |  | 848,972 |
Liability for estimated liquidation and operating costs net of estimated receipts |  | $ | (14,377,476 | ) |  | $ | 2,486,229 |  |  | $ | 338,307 |  |  | $ | (11,552,940 | )
|  | January 1, 2019 |  |  | Expenditures/ (Receipts) |  |  | Remeasurement of Assets and Liabilities |  |  | December 31, 2019 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated rents and reimbursements |  | $ | 3,418,285 |  |  | $ | (2,600,047 | ) |  | $ | 3,491,090 |  |  | $ | 4,309,328 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property operating costs |  |  | (2,084,955 | ) |  |  | 1,536,010 |  |  |  | (2,046,009 | ) |  |  | (2,594,954 | )
Capital expenditures |  |  | (1,130,844 | ) |  |  | 616,230 |  |  |  | 40,481 |  |  |  | (474,133 | )
Land entitlement costs |  |  | (1,468,474 | ) |  |  | 1,422,192 |  |  |  | (1,800,845 | ) |  |  | (1,847,127 | )
Corporate expenditures |  |  | (4,904,367 | ) |  |  | 2,167,814 |  |  |  | (3,459,998 | ) |  |  | (6,196,551 | )
Selling costs on real estate assets* |  |  | (2,437,076 | ) |  |  | - |  |  |  | (1,060,124 | ) |  |  | (3,497,200 | )
Retention bonus payments to directors, officers and employees* |  |  | (1,984,733 | ) |  |  | 14,573 |  |  |  | (2,710,358 | ) |  |  | (4,680,518 | )
Less prepaid expenses and other assets |  |  | 397,854 |  |  |  | 205,825 |  |  |  | - |  |  |  | 603,679 |
Liability for estimated liquidation and operating costs net of estimated receipts |  | $ | (10,194,310 | ) |  | $ | 3,362,597 |  |  | $ | (7,545,763 | ) |  | $ | (14,377,476 | )

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- Definition Tabular disclosure for the change in liability for estimated costs in excess of estimated receipts on the liquidation basis of accounting. + References No definition available. + Details
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Namespace Prefix: | gyro_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration