v3.26.1
Note 14 - Changes to Stockholders' Equity - Changes Occurred in Stockholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
May 30, 2026
May 31, 2025
May 30, 2026
May 31, 2025
Beginning of period     $ 165,107  
End of period $ 164,476   164,476  
Net income (loss) for the period 2,039 $ 1,918 3,155 $ 3,772
Common Stock [Member]        
Beginning of period 43,249 43,462 43,256 43,681
Issuance of common stock 85 87 148 166
Purchase and retirement of common stock (177) (139) (247) (437)
End of period $ 43,157 $ 43,410 $ 43,157 $ 43,410
Beginning of period (in shares) 8,649,567 8,692,134 8,651,054 8,736,046
Issuance of common stock (in shares) 16,956 17,454 29,584 33,189
Purchase and retirement of common stock (in shares) (35,230) (27,737) (49,345) (87,384)
End of period (in shares) 8,631,293 8,681,851 8,631,293 8,681,851
Additional Paid-in Capital [Member]        
Beginning of period $ 0 $ 0 $ 0 $ 6
End of period 0 0 0 0
Issuance of common stock 10 (3) 25 (1)
Purchase and retirement of common stock (139) (163) (259) (311)
Stock based compensation 129 166 234 306
Retained Earnings [Member]        
Beginning of period 120,484 122,556 121,128 122,847
End of period 120,617 122,597 120,617 122,597
Purchase and retirement of common stock (193) (135) (223) (546)
Net income (loss) for the period 2,039 1,918 3,155 3,772
Cash dividends declared and paid (1,713) (1,742) (3,443) (3,476)
AOCI Attributable to Parent [Member]        
Beginning of period 713 781 723 793
End of period 702 769 702 769
Amortization of pension costs, net of tax $ (11) $ (12) $ (21) $ (24)