v3.26.1
Note 13 - Segments - Schedule of Segment Reporting (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Rental income $ 3,756,368   $ 4,281,753   $ 7,440,412 $ 8,314,182
Fees and other income 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
General and administrative 1,341,297   1,223,658   3,015,120 2,885,634
Depreciation and amortization 898,710   1,211,691   1,897,679 2,455,796
Impairment of goodwill and real estate assets 2,978,150   4,317,389   3,502,523 4,344,332
Total costs and expenses 6,476,821   8,215,343   11,218,427 12,761,010
Interest and other income, net 5,206   5,206   10,355 10,354
Net gain (loss) in Conduit Pharmaceuticals marketable securities (see Note 9) 5,743   (7,802)   7,728 (184,459)
Gain on sales of real estate, net (21,997)   323,359   150,099 4,777,327
Gain on disposition of assets and liabilities, net 0       3,416,501  
Income tax (expense) benefit (26,630)   (53,910)   (44,687) (28,501)
Total other income (expense), net (1,189,610)   (1,211,017)   337,990 1,586,380
Net loss (3,851,356) $ 558,794 (5,047,620) $ 2,376,915 (3,292,562) (2,670,705)
Less: (Income) loss attributable to noncontrolling interests 40,230   (228,905)   (77,655) (340,468)
Net loss attributable to Presidio Property Trust, Inc. stockholders (3,811,126)   (5,276,525)   (3,370,217) (3,011,173)
Mortgage Notes [Member]            
Interest expense - mortgage notes (1,151,932)   (1,477,870)   (3,202,006) (2,988,341)
Operating Segments [Member] | Retail Properties [Member]            
Rental income 93,574   93,574   187,148 356,452
Fees and other income 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
General and administrative 0   0   0 0
Depreciation and amortization 22,928   22,928   45,856 54,617
Impairment of goodwill and real estate assets 0   0   0 0
Total costs and expenses 28,189   27,752   55,949 160,009
Interest and other income, net 0   0   0 0
Net gain (loss) in Conduit Pharmaceuticals marketable securities (see Note 9) 0   0   0 0
Gain on sales of real estate, net 0   0   0 4,213,068
Gain on disposition of assets and liabilities, net 0       0  
Income tax (expense) benefit 0   0   0 0
Total other income (expense), net (38,728)   (39,942)   (81,845) 4,015,029
Net loss 26,657   25,880   49,354 4,211,872
Less: (Income) loss attributable to noncontrolling interests 0   0   0 0
Net loss attributable to Presidio Property Trust, Inc. stockholders 26,657   25,880   49,354 4,211,872
Operating Segments [Member] | Retail Properties [Member] | Mortgage Notes [Member]            
Interest expense - mortgage notes (38,728)   (39,942)   (81,845) (198,039)
Operating Segments [Member] | Office/Industrial Properties [Member]            
Rental income 2,846,734   3,168,878   5,517,315 6,022,908
Fees and other income 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
General and administrative 20   0   17,519 16,850
Depreciation and amortization 694,602   955,575   1,478,878 1,954,744
Impairment of goodwill and real estate assets 2,833,462   4,226,620   3,282,197 4,226,620
Total costs and expenses 4,851,471   6,731,692   7,732,818 9,366,076
Interest and other income, net 0   0   0 0
Net gain (loss) in Conduit Pharmaceuticals marketable securities (see Note 9) 0   0   0 0
Gain on sales of real estate, net 0   0   0 0
Gain on disposition of assets and liabilities, net 0       3,416,501  
Income tax (expense) benefit (2,000)   0   (2,000) 0
Total other income (expense), net (672,352)   (921,953)   1,201,066 (1,813,284)
Net loss (2,625,773)   (4,419,874)   (880,322) (5,029,197)
Less: (Income) loss attributable to noncontrolling interests (11,438)   (11,655)   (9,385) (29,614)
Net loss attributable to Presidio Property Trust, Inc. stockholders (2,637,211)   (4,431,529)   (889,707) (5,058,811)
Operating Segments [Member] | Office/Industrial Properties [Member] | Mortgage Notes [Member]            
Interest expense - mortgage notes (670,352)   (921,953)   (2,213,435) (1,813,284)
Operating Segments [Member] | Model Home Properties [Member]            
Rental income 816,060   1,019,301   1,735,949 1,934,822
Fees and other income 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
General and administrative 225,959   187,935   452,842 417,895
Depreciation and amortization 180,707   231,954   371,998 443,967
Impairment of goodwill and real estate assets 144,688   90,769   220,326 117,712
Total costs and expenses 593,418   560,598   1,136,107 1,077,671
Interest and other income, net 8   8   15 15
Net gain (loss) in Conduit Pharmaceuticals marketable securities (see Note 9) 0   0   0 0
Gain on sales of real estate, net (21,997)   323,359   150,099 564,259
Gain on disposition of assets and liabilities, net 0       0  
Income tax (expense) benefit (3,630)   (30,310)   (19,287) (52,481)
Total other income (expense), net (467,192)   (221,579)   (773,304) (462,553)
Net loss (244,038)   237,552   (167,415) 393,272
Less: (Income) loss attributable to noncontrolling interests 51,668   (217,250)   (68,270) (310,854)
Net loss attributable to Presidio Property Trust, Inc. stockholders (192,370)   20,302   (235,685) 82,418
Operating Segments [Member] | Model Home Properties [Member] | Mortgage Notes [Member]            
Interest expense - mortgage notes (441,573)   (514,636)   (904,131) (974,346)
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]            
Rental income 0   0   0 0
Fees and other income 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)
General and administrative 1,115,318   1,035,723   2,544,759 2,450,889
Depreciation and amortization 473   1,234   947 2,468
Impairment of goodwill and real estate assets 0   0   0 0
Total costs and expenses 1,003,743   895,301   2,293,553 2,157,254
Interest and other income, net 5,198   5,198   10,340 10,339
Net gain (loss) in Conduit Pharmaceuticals marketable securities (see Note 9) 5,743   (7,802)   7,728 (184,459)
Gain on sales of real estate, net 0   0   0 0
Gain on disposition of assets and liabilities, net 0       0  
Income tax (expense) benefit (21,000)   (23,600)   (23,400) 23,980
Total other income (expense), net (11,338)   (27,543)   (7,927) (152,812)
Net loss (1,008,202)   (891,178)   (2,294,179) (2,246,652)
Less: (Income) loss attributable to noncontrolling interests 0   0   0 0
Net loss attributable to Presidio Property Trust, Inc. stockholders (1,008,202)   (891,178)   (2,294,179) (2,246,652)
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | Mortgage Notes [Member]            
Interest expense - mortgage notes $ (1,279)   $ (1,339)   $ (2,595) $ (2,672)