Note 18 - Earnings Per Share - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended														12 Months Ended
	Nov. 24, 2018	[1]	Aug. 25, 2018	May 26, 2018	[2]	Feb. 24, 2018	[3]	Nov. 25, 2017	[4]	Aug. 26, 2017	[5]	May 27, 2017	[6]	Feb. 25, 2017	Nov. 24, 2018	Nov. 25, 2017	Nov. 26, 2016
Numerator:
Net income	$ 1,897		$ 2,945	$ 4,289		$ (913)		$ 4,974		$ 4,579		$ 5,842		$ 2,861	$ 8,218	$ 18,256	$ 15,829
Denominator:
Denominator for basic income per share - weighted average shares (in shares)															10,651,351	10,649,225	10,732,217
Effect of dilutive securities (in shares)															40,424	82,850	130,204
Denominator for diluted income per share — weighted average shares and assumed conversions (in shares)															10,691,775	10,732,075	10,862,421
Basic income per share:
Net income per share — basic (in dollars per share)	$ 0.18		$ 0.28	$ 0.40		$ (0.09)		$ 0.46		$ 0.43		$ 0.55		$ 0.27	$ 0.77	$ 1.71	$ 1.47
Diluted income per share:
Net income per share — diluted (in dollars per share)	$ 0.18		$ 0.28	$ 0.40		$ (0.09)		$ 0.46		$ 0.43		$ 0.54		$ 0.27	$ 0.77	$ 1.70	$ 1.46

[1] Income from operations includes a $469 asset impairment charge related to our Torrance, California retail store and a $301 charge for lease exit costs related to the closing of a store in San Antonio, Texas (see Note 15). Net income includes a $704 tax benefit arising from the final adjustment to our interim estimates of the impact of reduced federal income tax rates on the valuation of our deferred tax assets (see Note 14).

[2] Income from operations includes a gain of $165 from the sale of our Spring, Texas retail store Isee Note 15). Net income includes a benefit of $155 in income tax expense arising from additional adjustments to the remeasurement of our deferred tax assets resulting from the Act (see Note 14).

[3] Net income includes a $2,157 charge to income tax expense arising from the remeasurement of our deferred tax assets due to the reduction in the Federal statutory income tax rate included in the Tax Cuts and Jobs Act.(see Note 14).

[4] Net income includes a gain of $591 from the disposition of our interest in IMC, net of related income tax effects of approximately $363 (see Note 9).

[5] Income from operations included a gain of $1,220 from the sale of our Las Vegas, Nevada retail store (see Note 15).

[6] Net income includes a gain of $2,026 from the sale of an investment, net of related income tax effects of approximately $1,241 (see Note 9), and a loss of $672, net of related income tax effects of approximately $412, resulting from the impairment of retail real estate (see Note 2).