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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
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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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- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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