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Note 5 - Lease Intangibles (Details Textual) - USD ($) | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | --- | ---
Finite-Lived Intangible Assets, Gross, Total | $ 4,110,139 |  | $ 4,110,139
Below Market Lease, Net | 14,509 | $ 18,240 |
Real Estate Assets Held for Sale [Member] |  |  |
Finite-Lived Intangible Assets, Gross, Total | $ 0 | $ 0 |

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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483147/928-340-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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