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Note 3 - Statements of Net Assets in Liquidation (Details Textual) - USD ($) | 12 Months Ended | 27 Months Ended | 36 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2018 | Dec. 31, 2017
Liquidation Basis of Accounting, Common Stock Per Share | $ 21.16 |  |  |  |
Liquidation Basis of Accounting, Net Increase (Decrease) in Liquidation Value Per Share | $ 3.05 |  |  |  |
Cash and Cash Equivalents, at Carrying Value, Ending Balance | $ 2,200,000 |  |  |  |
Liquidation Basis of Accounting, Land Entitlement Costs Incurred | 1,400,000 |  |  |  |
Liquidation Basis of Accounting, Land Entitlement Costs Incurred, Amount Deferred | 556,000 |  |  |  |
Net Assets, Ending Balance | 31,369,637 |  |  |  |
Basis of Accounting, Liquidation [Member] |  |  |  |  |
Liquidation Basis of Accounting, Common Stock Per Share |  |  |  | $ 18.11 |
Increase in Real Estate Value | $ 12,100,000 |  |  |  |
Increase in Real Estate Value, Per Share | $ 8.14 |  |  |  |
Increase in Expense Reserve | $ 7,500,000 |  |  |  |
Increase in Expense Reserve, Per Share | $ 5.09 |  |  |  |
Cash and Cash Equivalents, at Carrying Value, Ending Balance | $ 2,213,205 |  |  | $ 3,049,587 |
Net Assets, Ending Balance | $ 31,369,637 |  |  | $ 26,846,670 | $ 26,637,350
Common Stock, Shares, Outstanding, Ending Balance | 1,482,680 |  |  |  |
Forecast [Member] |  |  |  |  |
Liquidation Basis of Accounting, Land Entitlement Costs |  | $ 1,800,000 |  |  |
Liquidation Basis of Accounting, Land Entitlement Costs Incurred |  |  | $ 1,800,000 |  |

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