Statements Of Shareholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Nov. 30, 2020	$ 308	$ 885	$ 1,250	$ 29,524	$ 29,467
Dividend	0	0	0	(258)	(258)
Net income	0	0	0	(301)	(301)
Ending balance, value at Feb. 27, 2021	308	885	1,250	28,965	28,908
Beginning balance, value at Nov. 30, 2021	308	885	1,250	32,324	32,267
Dividend	0	0	0	(258)	(258)
Net income	0	0	0	464	464
Ending balance, value at Feb. 26, 2022	$ 308	$ 885	$ 1,250	$ 32,530	$ 32,473