Note 1 - The Company (Details Textual)		12 Months Ended
Note 1 - The Company (Details Textual)	Sep. 01, 2015 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 ft²	Dec. 31, 2025	Dec. 31, 2025 a	Jul. 30, 2025 USD ($) a	Dec. 31, 2024 USD ($)	Mar. 20, 2023 ft²
Number of Real Estate Properties				2
Liquidation Basis of Accounting, Accrued Closing Credit for Infrastructure Costs		$ 4,020,222					$ (0)
Liquidation Basis of Accounting, Covenant, Value of Asset Required to Enact Dissolution	$ 1,000,000
The Corporation [Member]
Liquidation Basis of Accounting, Covenant, Value of Asset Required to Enact Dissolution		1,000,000
Cortlandt Manor Medical Center [Member] \| Cortlandt, New York [Member]
Area of Real Estate Property \| ft²			31,000					154,000
Area of Land \| a					13.8
Cortlandt Manor Medical Center [Member] \| Cortlandt, New York [Member] \| Medical Use [Member]
Area of Real Estate Property \| ft²								150,000
Cortlandt Manor Medical Center [Member] \| Cortlandt, New York [Member] \| Retail Use [Member]
Area of Real Estate Property \| ft²								4,000
St. James Flowerfield Complex [Member] \| St. James, New York [Member]
Area of Land \| a						49
Sale of Real Estate Property, Purchase Price						$ 28,740,000
Liquidation Basis of Accounting, Accrued Closing Credit for Infrastructure Costs		$ 4,020,222
St. James Flowerfield Complex [Member] \| St. James, New York [Member] \| Minimum [Member]
Sale of Real Estate Property, Purchase Price						24,000,000
St. James Flowerfield Complex [Member] \| St. James, New York [Member] \| Maximum [Member]
Sale of Real Estate Property, Purchase Price						$ 28,740,000
Flowerfield Properties, Inc. [Member] \| St. James, New York [Member] \| Controlled by Parent Company [Member]
Area of Real Estate Property \| a					63
Flowerfield Properties, Inc. [Member] \| St. James, New York [Member] \| Multi-Tenant Industrial Park [Member]
Area of Real Estate Property			135,000		14