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Note 4 - Real Estate Assets - Summary of Properties Owned (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Real estate assets owned |  | $ 130,512,230 | $ 138,064,936
World Plaza [Member] |  |  |
Geographic location |  | San Bernardino, CA |
Real estate assets owned | [1] | $ 0 | 9,272,213
Genesis Plaza [Member] |  |  |
Geographic location |  | San Diego, CA |
Real estate assets owned | [2] | $ 7,995,980 | 8,310,803
Dakota Center [Member] |  |  |
Geographic location |  | Fargo, ND |
Real estate assets owned |  | $ 8,569,537 | 8,607,360
Grand Pacific Center [Member] |  |  |
Geographic location |  | Bismarck, ND |
Real estate assets owned | [3] | $ 5,228,006 | 5,457,447
Arapahoe Center [Member] |  |  |
Geographic location |  | Centennial, CO |
Real estate assets owned |  | $ 8,664,604 | 8,821,278
Union Town Center [Member] |  |  |
Geographic location |  | Colorado Springs, CO |
Real estate assets owned |  | $ 9,039,039 | 9,169,387
West Fargo Industrial [Member] |  |  |
Geographic location |  | Fargo, ND |
Real estate assets owned |  | $ 6,893,292 | 7,025,325
The 300 N.P [Member] |  |  |
Geographic location |  | Fargo, ND |
Real estate assets owned |  | $ 2,899,694 | 2,929,563
Research Parkway [Member] |  |  |
Geographic location |  | Colorado Springs, CO |
Real estate assets owned |  | $ 2,319,588 | 2,375,943
One Park Centre [Member] |  |  |
Geographic location |  | Westminster, CO |
Real estate assets owned |  | $ 7,991,809 | 7,992,420
Shea Center II [Member] |  |  |
Geographic location |  | Highlands Ranch, CO |
Real estate assets owned | [4] | $ 19,501,998 | 20,246,645
Mandolin [Member] |  |  |
Geographic location |  | Houston, TX |
Real estate assets owned | [5] | $ 4,783,985 | 4,875,696
Baltimore [Member] |  |  |
Geographic location |  | Baltimore, MD |
Real estate assets owned |  | $ 8,690,874 | 8,891,810
Presidio Property Trust, Inc. Properties [Member] |  |  |
Real estate assets owned |  | $ 92,578,406 | 103,975,890
Model Home Properties [Member] |  |  |
Geographic location |  | FL, TX, WI |
Real estate assets owned | [6] | $ 37,933,824 | $ 34,089,046
[1] | This property was sold during the year ended December 31, 2022.
[2] | Genesis Plaza is owned by two tenants-in-common, each of which own 57% and 43%, respectively, and we beneficially own an aggregate of 76.4%, based on our ownership percentages of each tenant-in-common.
[3] | Grand Pacific Center, Bismarck, ND, was removed from held for sale after signing a major lease with KLJ Engineering on December 7, 2022 for approximately 33,296 usable square feet, a term of 122 months, starting annualized rent of $532,736, and a commencement date estimated to be between November 1, 2023 and March 1, 2024.
[4] | On December 31, 2022, the lease for our largest tenant, Halliburton Energy Services, Inc., expired. Halliburton Energy Services, Inc. was located in our Shea Center II property in Colorado, and made up approximately 8.57% of our annual base rent. The tenant did not renew the lease and we placed approximately $1.1 million in a reserve account with our lender to cover future mortgage payments, if necessary. Our management team is working to fill the 45,535 square foot space as quickly as possible, and has already leased approximately 20% of the space to a tenant during January 2023.
[5] | A portion of the proceeds from the sale of Highland Court were used in like-kind exchange transactions pursued under Section 1031 of the Code for the acquisition of our Mandolin property. Mandolin is owned by NetREIT Palm Self-Storage LP, through its wholly owned subsidiary NetREIT Highland LLC, and the Company is the sole general partner and owns 61.3% of NetREIT Palm Self-Storage LP.
[6] | Includes six Model Homes listed as held for sale as of December 31, 2022.

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