Segment information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jan. 31, 2015 segments	Jan. 31, 2014
Reportable Segments
Real estate rental revenue	$ 11,280us-gaap_RealEstateRevenueNet	$ 10,572us-gaap_RealEstateRevenueNet
Real estate operating expenses	7,225us-gaap_OperatingExpenses	6,520us-gaap_OperatingExpenses
Operating income	4,055us-gaap_OperatingIncomeLoss	4,052us-gaap_OperatingIncomeLoss
Reconciliation to consolidated net income:
Deferred rents - straight lining	(75)us-gaap_StraightLineRentAdjustments	(46)us-gaap_StraightLineRentAdjustments
Amortization of acquired leases	(1)	(5)
Investment income	40us-gaap_InvestmentIncomeNet	42us-gaap_InvestmentIncomeNet
General and administrative expenses	(492)us-gaap_GeneralAndAdministrativeExpense	(402)us-gaap_GeneralAndAdministrativeExpense
Depreciation	(1,647)us-gaap_DepreciationNonproduction	(1,520)us-gaap_DepreciationNonproduction
Financing costs	(2,782)us-gaap_InterestExpense	(2,976)us-gaap_InterestExpense
Income from continuing operations	1,313	1,118
Income from discontinued operation		7
Gain on sale of discontinued operation		8,693
Net income	1,313us-gaap_ProfitLoss	9,818us-gaap_ProfitLoss
Net income attributable to noncontrolling interests	(265)	(193)
Net income attributable to common equity	1,048us-gaap_NetIncomeLoss	9,625us-gaap_NetIncomeLoss
Number of reportable segments	2us-gaap_NumberOfReportableSegments
Operating Segments [Member]
Reportable Segments
Real estate rental revenue	11,356	10,623
Real estate operating expenses	5,086	4,598
Operating income	6,270	6,025
Reconciliation to consolidated net income:
Segment NOI	6,270	6,025
Commercial [Member]
Reconciliation to consolidated net income:
Number of properties	10
Commercial [Member] \| Operating Segments [Member]
Reportable Segments
Real estate rental revenue	5,744	5,707
Real estate operating expenses	2,432	2,324
Operating income	3,312	3,383
Residential [Member]
Reportable Segments
Recurring capital improvements	(86)	(104)
Reconciliation to consolidated net income:
Number of properties	7
Residential [Member] \| Operating Segments [Member]
Reportable Segments
Real estate rental revenue	5,612	4,916
Real estate operating expenses	2,654	2,274
Operating income	$ 2,958	$ 2,642

The amount of recurring capital improvements to properties.

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Amount of non-cash amortization of intangible asset (liability) for above and below market leases.

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The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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

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Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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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 net result for the period of deducting operating expenses from operating revenues.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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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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