Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Income tax benefit (expense) on continuing operations
Current federal	$ (83)
Deferred federal	(217)	$ 356	$ (1,076)
Deferred state and local	(80)	(452)	84
Total income tax provision	(380)	(96)	(992)
Income Taxes, additional disclosures
Charges for expected lower realization of state tax benefits	87	375
Unrecognized tax benefit	1,176
Reduction in deferred tax asset related to non-qualified stock options as a result of exercises and forfeitures on those options	9	4	0
Income tax expense (benefits) from discontinued operations		115	(4,411)
Effect on income tax benefit for valuation allowance	(76)	24	93
Federal income tax expense benefit of the change in valuation allowance	26	(8)	(33)
Deferred tax (expense) benefit included in other comprehensive (loss) income
Mark to market adjustments on Centaur Media plc	(16)	17	213
Measurement of the funded status of the defined postretirement program		181	(40)
Fair value adjustment of Griffin's cash flow hedges	164	37	(359)
Total other comprehensive (loss) income	148	235	(186)
Differences between income tax benefits at the United States statutory income tax rates and the actual income tax benefits on continuing operations
Tax (provision) benefit at statutory rate	(282)	403	(1,016)
State and local taxes, including valuation allowance, net of federal tax effect	(80)	(457)	55
Permanent items	(23)	(43)	(39)
Other	5	1	8
Total income tax provision	(380)	(96)	$ (992)
Deferred tax assets:
Deferred revenue	3,587	2,836
Federal net operating loss carryforwards	2,673	3,417
Retirement benefit plans	1,547	1,496
Cash flow hedges	1,022	859
Non-qualified stock options	847	794
State net operating loss carryforwards	554	670
Charitable contributions	179	239
Conditional asset retirement obligations	112	112
Other	51	40
Total deferred tax assets	10,572	10,463
Valuation allowance	(345)	(395)
Net deferred tax assets	10,227	10,068
Deferred tax liabilities:
Real estate assets	(2,666)	(2,547)
Deferred rent	(985)	(882)
Prepaid insurance	(113)	(142)
Property and equipment	(44)	(39)
Investment in Centaur Media plc	(38)	(22)
Other	(543)	(440)
Total deferred tax liabilities	(4,389)	(4,072)
Net total deferred tax assets	5,838	$ 5,996
Operating loss carryforwards
Accrual for uncertain income tax positions	0
State
Operating loss carryforwards
Net operating loss carryforwards	22,630
Federal
Operating loss carryforwards
Net operating loss carryforwards	$ 6,616
Minimum | State
Operating loss carryforwards
Expiration period of operating loss carryforwards	7 years
Minimum | Federal
Operating loss carryforwards
Expiration period of operating loss carryforwards	15 years
Maximum | State
Operating loss carryforwards
Expiration period of operating loss carryforwards	20 years
Maximum | Federal
Operating loss carryforwards
Expiration period of operating loss carryforwards	19 years