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Note 4 - Real Estate Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Real Estate Properties [Table Text Block] |
|  | Date |  |  |  | Real estate assets and lease intangibles, net |
Property Name |  | Acquired |  | Location |  | December 31, 2024 |  |  | December 31, 2023 |
Genesis Plaza (1) |  | August 2010 |  | San Diego, CA |  | $ | 7,363,571 |  |  | $ | 7,542,725 |
Dakota Center (2) |  | May 2011 |  | Fargo, ND |  |  | 8,154,951 |  |  |  | 9,201,883 |
Grand Pacific Center (3) |  | March 2014 |  | Bismarck, ND |  |  | 8,413,926 |  |  |  | 8,274,454 |
Arapahoe Center |  | December 2014 |  | Centennial, CO |  |  | 9,298,534 |  |  |  | 9,341,991 |
Union Town Center (4) |  | December 2014 |  | Colorado Springs, CO |  |  | 8,922,943 |  |  |  | 8,918,742 |
West Fargo Industrial |  | August 2015 |  | Fargo, ND |  |  | 6,599,953 |  |  |  | 6,819,765 |
300 N.P. |  | August 2015 |  | Fargo, ND |  |  | 1,963,000 |  |  |  | 2,774,176 |
Research Parkway (4) |  | August 2015 |  | Colorado Springs, CO |  |  | 2,220,284 |  |  |  | 2,266,173 |
One Park Center (5) |  | August 2015 |  | Westminster, CO |  |  | 5,580,950 |  |  |  | 5,700,000 |
Shea Center II (6) |  | December 2015 |  | Highlands Ranch, CO |  |  | 18,820,370 |  |  |  | 19,367,289 |
Mandolin (7) |  | August 2021 |  | Houston, TX |  |  | 4,600,562 |  |  |  | 4,692,274 |
Baltimore |  | December 2021 |  | Baltimore, MD |  |  | 8,241,456 |  |  |  | 8,466,165 |
Commercial properties |  |  |  |  |  |  |  | 90,180,500 |  |  |  | 93,365,637 |
Model Home properties (8) |  | 2019 - 2024 |  | AZ, FL, TX |  |  | 37,416,000 |  |  |  | 50,790,147 |
Total real estate assets and lease intangibles, net |  |  |  |  |  |  | $ | 127,596,500 |  |  | $ | 144,155,784 |

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