Segment information (Details) $ in Thousands	3 Months Ended	6 Months Ended
Apr. 30, 2017 USD ($) properties	Apr. 30, 2016 USD ($)	Apr. 30, 2017 USD ($) properties segments	Apr. 30, 2016 USD ($)
Reportable Segments
Real estate rental revenue	$ 12,664	$ 11,064	$ 25,263	$ 22,488
Real estate operating expenses	10,554	7,466	19,677	15,157
Operating income	2,110	3,598	5,586	7,331
Reconciliation to condensed consolidated net income (loss) attributable to common equity:
Segment NOI	5,238	5,776	12,230	11,723
Lease termination fee	(620)		(620)
Deferred rents - straight lining	173	(2)	311	(25)
Investment income	45	23	91	62
General and administrative expenses	(633)	(424)	(1,157)	(895)
Depreciation	(2,648)	(1,752)	(5,178)	(3,472)
Financing costs	(3,856)	(2,687)	(7,722)	(5,416)
Net income (loss)	(1,701)	934	(2,045)	1,977
Net (income) loss attributable to noncontrolling interests in subsidiaries	1,002	(125)	1,409	(166)
Net income (loss) attributable to common equity	(699)	809	$ (636)	1,811
Number of reportable segments \| segments			2
Operating Segments [Member]
Reportable Segments
Real estate rental revenue	12,491	11,066	$ 24,952	22,513
Real estate operating expenses	6,653	5,290	12,722	10,790
Operating income	5,838	5,776	12,230	11,723
Residential [Member]
Reportable Segments
Recurring capital improvements	$ (179)	(175)	$ (379)	(489)
Reconciliation to condensed consolidated net income (loss) attributable to common equity:
Number of properties \| properties	8		8
Residential [Member] \| Operating Segments [Member]
Reportable Segments
Real estate rental revenue	$ 6,495	5,573	$ 12,882	11,095
Real estate operating expenses	3,703	2,625	6,887	5,326
Operating income	$ 2,792	2,948	$ 5,995	5,769
Commercial [Member]
Reconciliation to condensed consolidated net income (loss) attributable to common equity:
Number of properties \| properties	9		9
Commercial [Member] \| Operating Segments [Member]
Reportable Segments
Real estate rental revenue	$ 5,996	5,493	$ 12,070	11,418
Real estate operating expenses	2,950	2,665	5,835	5,464
Operating income	$ 3,046	$ 2,828	$ 6,235	$ 5,954

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Amount of the cost of borrowed funds accounted for as interest expense.

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The number of real estate properties owned as of the balance sheet date.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The aggregate revenue from real estate operations during the reporting period.

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Amount of the adjustment to rental revenues to measure escalating leasing revenues on a straight line basis.

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