Note 13 - Capital Stock and Stock Compensation - Compensation Expense Related to Restricted Stock and Stock Options Included in Selling, General and Administrative Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 25, 2017	Nov. 26, 2016	Nov. 28, 2015
Selling, General and Administrative Expenses [Member]
Stock based compensation expense	$ 1,028	$ 903	$ 894