Note 4 - Real Estate Assets - Summary of Properties Owned (Details) - USD ($) |
3 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|||||||||||
| Real estate assets owned | $ 100,494,606 | $ 108,649,704 | ||||||||||
| Genesis Plaza [Member] | ||||||||||||
| Geographic location | [1] | San Diego, CA | ||||||||||
| Real estate assets owned | [1] | $ 7,154,860 | 7,274,600 | |||||||||
| Dakota Center [Member] | ||||||||||||
| Geographic location | [2] | Fargo, ND | ||||||||||
| Real estate assets owned | [2] | $ 0 | 4,861,267 | |||||||||
| Grand Pacific Center [Member] | ||||||||||||
| Geographic location | [3] | Bismarck, ND | ||||||||||
| Real estate assets owned | $ 7,991,440 | 8,082,202 | ||||||||||
| Arapahoe Center [Member] | ||||||||||||
| Geographic location | Centennial, CO | |||||||||||
| Real estate assets owned | $ 8,752,279 | 8,874,198 | ||||||||||
| West Fargo Industrial [Member] | ||||||||||||
| Geographic location | Fargo, ND | |||||||||||
| Real estate assets owned | $ 6,355,397 | 6,404,774 | ||||||||||
| The 300 N.P [Member] | ||||||||||||
| Geographic location | Fargo, ND | |||||||||||
| Real estate assets owned | $ 1,925,488 | 1,949,040 | ||||||||||
| One Park Centre [Member] | ||||||||||||
| Geographic location | Westminster, CO | |||||||||||
| Real estate assets owned | $ 5,637,002 | 5,740,065 | ||||||||||
| Shea Center II [Member] | ||||||||||||
| Geographic location | [3] | Highlands Ranch, CO | ||||||||||
| Real estate assets owned | [3] | $ 15,978,009 | 16,249,498 | |||||||||
| Mandolin [Member] | ||||||||||||
| Geographic location | [4] | Houston, TX | ||||||||||
| Real estate assets owned | [4] | $ 4,485,923 | 4,508,851 | |||||||||
| Baltimore [Member] | ||||||||||||
| Geographic location | Baltimore, MD | |||||||||||
| Real estate assets owned | $ 7,960,570 | 8,016,747 | ||||||||||
| Presidio Property Trust, Inc. Properties [Member] | ||||||||||||
| Real estate assets owned | $ 66,240,968 | 71,961,242 | ||||||||||
| Model Home Properties [Member] | ||||||||||||
| Geographic location | [5] | AZ, TN, TX, AL | ||||||||||
| Real estate assets owned | [5] | $ 34,253,639 | $ 36,688,462 | |||||||||
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