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Note 2 - Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Fair Value Measurements, Nonrecurring [Table Text Block] |
|  | Fair Value Measurements as of December 31, 2023 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill for Dubose Model Homes |  | $ | - |  |  | $ | - |  |  | $ | 1,123,000 |  |  | $ | 1,123,000 |
Goodwill for NTR Property Management |  |  | - |  |  |  | - |  |  |  | 451,000 |  |  |  | 451,000 |
Total Assets |  | $ | - |  |  | $ | - |  |  | $ | 1,574,000 |  |  | $ | 1,574,000 |
|  | Fair Value Measurements as of December 31, 2022 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill for Dubose Model Homes |  | $ | - |  |  | $ | - |  |  | $ | 1,123,000 |  |  | $ | 1,123,000 |
Goodwill for NTR Property Management |  |  | - |  |  |  | - |  |  |  | 1,300,000 |  |  |  | 1,300,000 |
Total Assets |  | $ | - |  |  | $ | - |  |  | $ | 2,423,000 |  |  | $ | 2,423,000 |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
|  | For the Year Ended December 31, |
|  | 2023 |  |  | 2022 |
Common Stock Warrants |  |  | 2,000,000 |  |  |  | 2,000,000 |
Placement Agent Warrants |  |  | 80,000 |  |  |  | 80,000 |
Series A Warrants |  |  | 14,450,069 |  |  |  | 14,450,069 |
Unvested Common Stock Grants |  |  | 760,995 |  |  |  | 349,042 |
Total potentially dilutive shares |  |  | 17,291,064 |  |  |  | 16,879,111 |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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