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Note 12 - Segments - Operating Income by Segment (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Rental, fees and other income | $ 4,790,061 | $ 4,121,491
Property and related expenses | (1,563,577) | (1,574,990)
General and administrative expenses | (2,084,450) | (1,964,620)
Depreciation and amortization | (1,351,018) | (1,333,574)
Interest expense | (1,515,206) | (867,767)
Loss on Conduit Pharmaceuticals marketable securities | (3,861,233) | 0
Gain on deconsolidation of SPAC | 0 | 0
Other income, net | 4,646 | 742,117
Income tax expense | (79,565) | (148,453)
Gain on sale of real estate | 2,018,095 | 417,337
Net loss | (3,737,795) | (608,459)
Conduit Pharmaceuticals Inc [Member] |  |
Loss on Conduit Pharmaceuticals marketable securities | (3,861,233) | 0
Operating Segments [Member] |  |
Net operating income, as defined | 3,130,936 | 2,546,501
Office/Industrial Properties [Member] | Operating Segments [Member] |  |
Rental, fees and other income | 2,967,720 | 2,861,998
Property and related expenses | (1,382,393) | (1,460,690)
Net operating income, as defined | 1,585,327 | 1,401,308
Model Home Properties [Member] | Operating Segments [Member] |  |
Rental, fees and other income | 1,268,953 | 855,120
Property and related expenses | (136,778) | (30,996)
Net operating income, as defined | 1,132,175 | 824,124
Retail Properties [Member] | Operating Segments [Member] |  |
Rental, fees and other income | 553,388 | 458,867
Property and related expenses | (139,954) | (137,798)
Net operating income, as defined | $ 413,434 | $ 321,069

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