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Note 12 - Segments - Assets by Reportable Segment (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Land, buildings and improvements, net |  | $ 144,155,784 | $ 130,512,230
Total assets |  | 175,962,638 | 291,351,654
Cash, cash equivalents and restricted cash |  | 6,510,428 | 16,516,725
Other assets, net |  | 31,806,854 | 23,968,241
Operating Segments [Member] |  |  |
Total assets |  | 146,136,063 | 131,143,170
Segment Reconciling Items [Member] |  |  |
Total assets |  | 175,962,638 | 291,351,654
Cash, cash equivalents and restricted cash |  | 277,143 | 8,570,121
Other assets, net |  | 29,549,432 | 151,638,363
Office/Industrial Properties [Member] | Operating Segments [Member] |  |  |
Land, buildings and improvements, net | [1] | 77,472,724 | 76,400,983
Total assets | [2] | 78,140,372 | 79,057,998
Model Home Properties [Member] | Operating Segments [Member] |  |  |
Land, buildings and improvements, net | [1] | 50,790,147 | 37,933,824
Total assets | [2] | 51,456,292 | 35,274,545
Retail Properties [Member] | Operating Segments [Member] |  |  |
Land, buildings and improvements, net | [1] | 15,877,190 | 16,142,613
Total assets | [2] | $ 16,539,399 | $ 16,810,627
[1] | Includes lease intangibles and the land purchase option related to property acquisitions.
[2] | Includes land, buildings and improvements, cash, cash equivalents, and restricted cash, current receivables, deferred rent receivables and deferred leasing costs and other related intangible assets, all shown on a net basis.

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. 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