v3.26.3
Note 14 - Changes to Stockholders' Equity - Changes Occurred in Stockholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Aug. 29, 2026
Aug. 30, 2025
Aug. 29, 2026
Aug. 30, 2025
Beginning of period     $ 165,107  
End of period $ 164,928   164,928  
Net income (loss) for the period 2,101 $ 801 5,256 $ 4,573
Common Stock [Member]        
Beginning of period 43,157 43,410 43,256 43,681
Issuance of common stock 83 85 231 250
Purchase and retirement of common stock (42) (117) (289) (553)
End of period $ 43,198 $ 43,378 $ 43,198 $ 43,378
Beginning of period (in shares) 8,631,293 8,681,851 8,651,054 8,736,046
Issuance of common stock (in shares) 16,681 16,978 46,265 50,167
Purchase and retirement of common stock (in shares) (8,499) (23,311) (57,844) (110,695)
End of period (in shares) 8,639,475 8,675,518 8,639,475 8,675,518
Additional Paid-in Capital [Member]        
Beginning of period $ 0 $ 0 $ 0 $ 6
End of period 56 0 56 0
Issuance of common stock 8 1 33 (1)
Purchase and retirement of common stock (83) (167) (342) (478)
Stock based compensation 131 166 365 473
Retained Earnings [Member]        
Beginning of period 120,617 122,597 121,128 122,847
End of period 120,982 121,583 120,982 121,583
Purchase and retirement of common stock 0 (81) (223) (627)
Net income (loss) for the period 2,101 801 5,256 4,573
Cash dividends declared and paid (1,736) (1,734) (5,179) (5,210)
AOCI Attributable to Parent [Member]        
Beginning of period 702 769 723 793
End of period 692 757 692 757
Amortization of pension costs, net of tax $ (10) $ (12) $ (31) $ (36)