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Note 4 - Real Estate Assets (Details Textual) |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 14, 2025 shares | Dec. 31, 2022 USD ($) ft² | Jul. 12, 2021 shares | Jul. 31, 2025 USD ($) | Feb. 28, 2025 USD ($) | Jul. 31, 2024 shares | Jun. 30, 2025 USD ($) ft² | Mar. 31, 2025 | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) ft² | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Number of States Real Estate Property is Located |  |  |  |  |  |  | 4 |  |  | 4 |  |  |
Number of Limited Partnerships in which Company is Sole General Partner |  |  |  |  |  |  |  | 5 |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  |  |  |  |  | $ 811,903 |  |  |  |
Restricted Cash |  |  |  |  |  |  | $ 3,600,000 |  |  | $ 3,600,000 |  | $ 5,000,000 |
Depreciation |  |  |  |  |  |  | $ 1,100,000 |  | $ 1,200,000 | $ 2,200,000 | $ 2,400,000 |  |
Common Class A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares |  |  | 100,000 |  |  |  |  |  |  |  |  |  |
Common Class A [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares | 140,000 |  |  |  |  |  |  |  |  |  |  |  |
Common Class A [Member] | NetREIT Genesis II [Member] | Shares Issued for Ownership Exchange [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares |  |  |  |  |  | 78,215 |  |  |  |  |  |  |
NetREIT Genesis [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  | 100.00% |  |  | 100.00% |  |  |
NetREIT Genesis II [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  | 81.50% |  |  | 81.50% |  |  |
NetREIT Genesis II [Member] | Common Class A [Member] | Shares Issued for Ownership Exchange [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares |  |  |  |  |  | 78,215 |  |  |  |  |  |  |
Stock Issued in Exchange for Ownership Percentage |  |  |  |  |  | 36.40% |  |  |  |  |  |  |
NetREIT Palm Self-Storage LP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  |  | 61.30% |  |  |  |  |
Office/Industrial Properties [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  |  |  |  |  | 758,175 |  |  | 758,175 |  |  |
Retail Properties [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  |  |  |  |  | 10,500 |  |  | 10,500 |  |  |
Model Home [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 87 |  |  | 87 |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  |  |  |  |  | 260,227 |  |  | 260,227 |  |  |
Number of Limited Partnerships in which Company is Sole General Partner |  |  |  |  |  |  |  |  |  | 4 |  |  |
Office Building [Member] | Office/Industrial Properties [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 1 |  |  | 1 |  |  |
Genesis Plaza [Member] | Tenant-in-common One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Ownership in Property |  |  |  |  |  |  | 57.00% |  |  | 57.00% |  |  |
Genesis Plaza [Member] | Tenant-in-common Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Ownership in Property |  |  |  |  |  |  | 43.00% |  |  | 43.00% |  |  |
Percentage Beneficial Ownership in Property |  |  |  |  |  |  | 92.00% |  |  | 92.00% |  |  |
Dakota Center [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Real Estate |  |  |  |  |  |  |  |  |  | $ 3,300,000 |  |  |
Dakota Center [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate, Purchase Offer Price |  |  |  | $ 5,125,000 |  |  |  |  |  |  |  |  |
Union Town Center and Research Parkway [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Property, Consideration Transferred, Total |  |  |  |  | $ 16,950,000 |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Properties |  |  |  |  | $ 4,200,000 |  |  |  |  |  |  |  |
One Park Centre [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Real Estate |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 2,000,000
Shea Center II [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property (Square Foot) | ft² |  | 45,535 |  |  |  |  |  |  |  |  |  |  |
Impairment of Real Estate |  |  |  |  |  |  | $ 900,000 |  |  |  |  |  |
Real Estate Property, Current Base Annual Rent |  | $ 536,080 |  |  |  |  |  |  |  |  |  |  |
Restricted Cash |  | $ 1,100,000 |  |  |  |  |  |  |  |  |  |  |
Property Space Leased, Percentage |  |  |  |  |  |  | 54.00% |  |  | 54.00% |  |  |
Property Space Not Leased, Percentage |  |  |  |  |  |  | 46.00% |  |  | 46.00% |  |  |
Model Home Properties [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Real Estate |  |  |  |  |  |  | $ 100,000 |  |  | $ 100,000 |  |  |
COLORADO |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 3 |  |  | 3 |  |  |
NORTH DAKOTA |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 4 |  |  | 4 |  |  |
CALIFORNIA |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 1 |  |  | 1 |  |  |
TEXAS |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 1 |  |  | 1 |  |  |
MARYLAND |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 1 |  |  | 1 |  |  |

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