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v3.25.1

Note 1 - Organization and Basis Presentation (Details Textual) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) ft² | Dec. 31, 2023 USD ($) | Jan. 31, 2025 ft² | Jan. 01, 2025 | Oct. 31, 2024 ft² | Dec. 31, 2022 USD ($)
Number of Limited Liability Companies | 2 |  |  |  |  |
Number of Limited Partnerships in which Company is Sole General Partner | 5 |  |  |  |  |
Long-Term Debt, Maturity, Year One | $ 38,778,428 |  |  |  |  |
Number of Reportable Segments | 3 |  |  |  |  |
Restricted Cash | $ 5,000,000 | $ 3,700,000 |  |  |  |
Payments for Tenant Improvements | $ 2,273,726 | $ 6,367,549 |  |  |  |
Rental Income [Member] | Customer Concentration Risk [Member] |  |  |  |  |  |
Number of Tenants | 1 |  |  |  |  |
Rental Income [Member] | Customer Concentration Risk [Member] | One Tenant [Member] |  |  |  |  |  |
Concentration Risk, Percentage | 6.07% |  |  |  |  |
COLORADO |  |  |  |  |  |
Number of Real Estate Properties | 5 |  |  |  |  |
NORTH DAKOTA |  |  |  |  |  |
Number of Real Estate Properties | 4 |  |  |  |  |
CALIFORNIA |  |  |  |  |  |
Number of Real Estate Properties | 1 |  |  |  |  |
TEXAS |  |  |  |  |  |
Number of Real Estate Properties | 1 |  |  |  |  |
MARYLAND |  |  |  |  |  |
Number of Real Estate Properties | 1 |  |  |  |  |
Mortgage Notes [Member] |  |  |  |  |  |
Long-Term Debt, Maturity, Year One | $ 38,800,000 |  |  |  |  |
Model Home Properties [Member] |  |  |  |  |  |
Number of Limited Liability Companies | 1 |  |  |  |  |
Number of Limited Partnerships in which Company is Sole General Partner | 6 |  |  |  |  |
Commercial Property [Member] |  |  |  |  |  |
Number of Real Estate Properties, Fee Simple | 12 |  |  |  |  |
Number of Real Estate Properties | 12 |  |  |  |  |
Commercial Property [Member] | Partially Owned Properties [Member] |  |  |  |  |  |
Number of Real Estate Properties, Fee Simple | 2 |  |  |  |  |
Number of Real Estate Properties | 2 |  |  |  |  |
Model Home Properties [Member] | Mortgage Notes [Member] |  |  |  |  |  |
Long-Term Debt, Maturity, Year One | $ 8,300,000 |  |  |  |  |
Shea Center II [Member] |  |  |  |  |  |
Restricted Cash | $ 1,100,000 |  |  |  |  | $ 1,100,000
Area of Real Estate Property (Square Foot) | ft² | 45,535 |  |  |  |  |
Shea Center II [Member] | OnPoint [Member] |  |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  |  |  | 2,543 |
Shea Center II [Member] | OnPoint [Member] | Subsequent Event [Member] |  |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  | 11,831 |  |  |
Lessor, Operating Lease, Term of Contract (Year) |  |  | 3 years |  |  |
Genesis Plaza [Member] |  |  |  |  |  |
Property Space Leased, Percentage | 95.60% |  |  |  |  |
Payments for Tenant Improvements | $ 74,000 |  |  |  |  |
Genesis Plaza [Member] | Subsequent Event [Member] |  |  |  |  |  |
Property Space Leased, Percentage |  |  |  | 100.00% |  |

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