Segment information (Details) - Schedule of Segment and Related Information - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Real estate rental revenue:
Real estate rental revenue	$ 6,964	$ 6,666	$ 13,971	$ 17,325
Real estate operating expenses:
Real estate operating expenses	3,438	3,280	6,825	8,606
Net operating income:
Net operating income	3,526	3,386	7,146	8,719
Recurring capital improvements - residential	(145)	(158)	(290)	(206)
Reconciliation to condensed consolidated net income (loss) attributable to common equity:
Segment NOI	3,526	3,386	7,146	8,719
Deferred rents - straight lining	(48)	(51)	(76)	(61)
Investment income	218	38	407	64
General and administrative expenses	(975)	(869)	(1,802)	(2,196)
Loss on investment in tenancy-in-common	(121)	(32)	(188)	(156)
Depreciation	(732)	(714)	(1,454)	(2,534)
Net (loss) gain on sale of Maryland properties	(203)	(1,232)	(446)	68,771
Financing costs	(1,951)	(1,527)	(3,827)	(4,455)
Net income	(286)	(1,001)	(240)	68,152
Net loss (income) attributable to noncontrolling interests in subsidiaries	383	649	756	(22,727)
Net income attributable to common equity	97	(352)	516	45,425
Commercial [Member]
Real estate rental revenue:
Real estate rental revenue	2,084	1,945	4,338	6,266
Real estate operating expenses:
Real estate operating expenses	1,241	1,234	2,488	3,919
Net operating income:
Net operating income	843	711	1,850	2,347
Residential [Member]
Real estate rental revenue:
Real estate rental revenue	4,880	4,721	9,633	11,059
Real estate operating expenses:
Real estate operating expenses	2,197	2,046	4,337	4,687
Net operating income:
Net operating income	$ 2,683	$ 2,675	$ 5,296	$ 6,372