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Note 7 - Mortgage Notes Payable (Details Textual) $ in Millions | May 05, 2023 USD ($) ft² | Dec. 31, 2023 USD ($) | Aug. 05, 2023 | Dec. 07, 2022 ft²
--- | --- | --- | --- | ---
Refinanced Loan [Member] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.35% |  |  |
Debt Instrument, Face Amount | $ 3.8 |  |  |
Debt Instrument, Term (Year) | 10 years |  |  |
Construction Loan [Member] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.35% |  |  |
Debt Instrument, Face Amount | $ 2.7 |  |  |
Debt Instrument, Term (Year) | 10 years |  |  |
Loans Payable |  | $ 1.7 |  |
Model Home [Member] |  |  |  |
Number of Real Estate Properties Held for Sale |  | 15 |  |
Model Home [Member] | Mortgage Notes [Member] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 6.70% |
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio |  | 1.1 |  |
Model Home [Member] | Mortgage Notes [Member] | Minimum [Member] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 2.68% |  |
Model Home [Member] | Mortgage Notes [Member] | Maximum [Member] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 7.12% |  |
Grand Pacific Center [Member] |  |  |  |
Area of Real Estate Property (Square Foot) | ft² | 33,296 |  |  | 33,296

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
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