Note 14 - Changes to Stockholders' Equity - Changes Occurred in Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 01, 2025	Mar. 02, 2024
Beginning of period	$ 167,327
End of period	166,798
Net income (loss) for the period	1,854	$ (1,193)
Amortization of pension costs, net of tax	(16)	(15)
Common Stock [Member]
Beginning of period	43,681	43,842
Issuance of common stock	79	93
Purchase and retirement of common stock	(298)	(52)
End of period	$ 43,462	$ 43,883
Beginning of period (in shares)	8,736,046	8,768,221
Issuance of common stock (in shares)	15,735	18,488
Purchase and retirement of common stock (in shares)	(59,647)	(10,360)
End of period (in shares)	8,692,134	8,776,349
Additional Paid-in Capital [Member]
Beginning of period	$ 6	$ 93
End of period	0	175
Issuance of common stock	2	(7)
Purchase and retirement of common stock	(148)	(109)
Stock based compensation	140	198
Retained Earnings [Member]
Beginning of period	122,847	139,354
End of period	122,556	136,588
Purchase and retirement of common stock	(411)	0
Net income (loss) for the period	1,854	(1,193)
Cash dividends declared	(1,734)	(1,573)
AOCI Attributable to Parent [Member]
Beginning of period	793	152
End of period	781	(8)
Amortization of pension costs, net of tax	(12)	7
AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning of period	$ 0	$ (167)