Note 12 - Earnings (Loss) Per Share - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	May 30, 2020		Jun. 01, 2019	Jun. 01, 2019	May 30, 2020		Jun. 01, 2019
Basic earnings per share, net income	$ (20,352)		$ 445		$ (19,142)		$ 1,053
Basic earnings per share, weighted average shares (in shares)	9,956,975		10,433,492		9,992,101		10,444,306
Basic earnings (loss) per share (in dollars per share)	$ (2.04)		$ 0.04	$ 0.04	$ (1.92)		$ 0.10
Options and restricted shares, net income	$ 0	[1]	$ 0		$ 0	[1]	$ 0
Options and restricted shares, weighted average shares (in shares)	0	[1]	26,329		0	[1]	27,530
Diluted earnings per share, net income	$ (20,352)		$ 445		$ (19,142)		$ 1,053
Diluted earnings per share, weighted average shares (in shares)	9,956,975		10,459,821		9,992,101		10,471,836
Diluted earnings (loss) per share (in dollars per share)	$ (2.04)		$ 0.04	$ 0.04	$ (1.92)		$ 0.10

[1] Due to the net loss, the potentially dilutive securities would have been anti-dilutive and are therefore excluded.