Note 13 - Changes to Stockholders' Equity - Changes Occurred in Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 02, 2024	Feb. 25, 2023
Beginning of period	$ 183,441
End of period	180,638
Net income for the period	(1,193)	$ 1,445
Amortization of pension costs, net of tax	(15)	(32)
Common Stock [Member]
Beginning of period	43,842	44,759
Issuance of common stock	93	92
Purchase and retirement of common stock	(52)	(540)
End of period	$ 43,883	$ 44,311
Beginning of period (in shares)	8,768,221	8,951,839
Issuance of common stock (in shares)	18,488	18,381
Purchase and retirement of common stock (in shares)	(10,360)	(108,083)
End of period (in shares)	8,776,349	8,862,137
Issuance of common stock	$ (93)	$ (92)
Additional Paid-in Capital [Member]
Beginning of period	93	0
Issuance of common stock	7	12
End of period	175	0
Issuance of common stock	(7)	(12)
Purchase and retirement of common stock	(109)	(200)
Stock based compensation	198	212
Retained Earnings [Member]
Beginning of period	139,354	150,800
End of period	136,588	149,611
Purchase and retirement of common stock	0	(1,213)
Net income for the period	(1,193)	1,445
Cash dividends declared	(1,573)	(1,421)
AOCI Attributable to Parent [Member]
Beginning of period	152	50
End of period	(8)	(62)
Amortization of pension costs, net of tax	7	24
AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning of period	$ (167)	$ (136)