v3.26.1
Note 13 - Segments - Net Operating Income (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Rental revenue $ 3,357,856 $ 3,565,831 $ 6,605,814 $ 7,155,342
Recovery revenue 398,512 715,922 834,598 1,158,840
Other operating revenue 58,707 96,987 147,463 189,743
Total revenue 3,815,075 4,378,740 7,587,875 8,503,925
Rental operating costs 1,258,664 1,462,605 2,803,105 3,075,248
Net Operating Income (NOI) 2,556,411 2,916,135 4,784,770 5,428,677
Gain on Sale - Model Homes (21,997) 323,359 150,099 564,258
Impairment of Model Homes (144,688) (90,769) (220,327) (117,712)
Adjusted NOI 2,389,726 3,148,725 4,714,542 5,875,223
Rental revenue 3,357,856 3,565,831 6,605,814 7,155,342
Operating Segments [Member] | Retail Properties [Member]        
Rental revenue 93,574 93,574 187,148 300,013
Recovery revenue 0 0 0 56,439
Other operating revenue 0 0 0 400
Total revenue 93,574 93,574 187,148 356,852
Rental operating costs 5,261 4,824 10,093 105,392
Net Operating Income (NOI) 88,313 88,750 177,055 251,460
Gain on Sale - Model Homes 0 0 0 0
Impairment of Model Homes 0 0 0  
Adjusted NOI 88,313 88,750 177,055 251,460
Rental revenue 93,574 93,574 187,148 300,013
Operating Segments [Member] | Office/Industrial Properties [Member]        
Rental revenue 2,448,222 2,452,956 4,682,717 4,920,507
Recovery revenue 398,512 715,922 834,598 1,102,401
Other operating revenue 51,316 64,893 134,115 127,255
Total revenue 2,898,050 3,233,771 5,651,430 6,150,163
Rental operating costs 1,323,387 1,549,497 2,954,224 3,167,862
Net Operating Income (NOI) 1,574,663 1,684,274 2,697,206 2,982,301
Gain on Sale - Model Homes 0 0 0 0
Impairment of Model Homes 0 0 0  
Adjusted NOI 1,574,663 1,684,274 2,697,206 2,982,301
Rental revenue 2,448,222 2,452,956 4,682,717 4,920,507
Operating Segments [Member] | Model Home Properties [Member]        
Rental revenue 816,060 1,019,301 1,735,949 1,934,822
Recovery revenue 0 0 0 0
Other operating revenue 512 428 6,047 (1,326)
Total revenue 816,572 1,019,729 1,741,996 1,933,496
Rental operating costs 42,064 49,940 90,941 98,097
Net Operating Income (NOI) 774,508 969,789 1,651,055 1,835,399
Gain on Sale - Model Homes (21,997) 323,359 150,099 564,258
Impairment of Model Homes (144,688) (90,769) (220,327) (117,712)
Adjusted NOI 607,823 1,202,379 1,580,827 2,281,945
Rental revenue 816,060 1,019,301 1,735,949 1,934,822
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]        
Rental revenue 0 0 0 0
Recovery revenue 0 0 0 0
Other operating revenue 6,879 31,666 7,301 63,414
Total revenue 6,879 31,666 7,301 63,414
Rental operating costs (112,048) (141,656) (252,153) (296,103)
Net Operating Income (NOI) 118,927 173,322 259,454 359,517
Gain on Sale - Model Homes 0 0 0 0
Impairment of Model Homes 0 0 0  
Adjusted NOI 118,927 173,322 259,454 359,517
Rental revenue $ 0 $ 0 $ 0 $ 0