Note 14 - Income Taxes - Income Tax Effects of Temporary Differences and Carryforwards (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 24, 2018
Trade accounts receivable	$ 207	$ 192
Inventories	2,487	1,755
Notes receivable	44	109
Post employment benefit obligations	3,241	3,619
State net operating loss carryforwards	193	218
Unrealized loss from affiliates	81	15
Net deferred rents	3,753	3,199
Other	1,828	1,290
Gross deferred income tax assets	11,834	10,397
Valuation allowance	0	0
Total deferred income tax assets	11,834	10,397
Property and equipment	4,288	5,353
Intangible assets	1,114	1,060
Prepaid expenses and other	688	718
Total deferred income tax liabilities	6,090	7,131
Net deferred income tax assets	$ 5,744	$ 3,266