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Note 17 - Earnings (Loss) Per Share (Tables)
12 Months Ended
Nov. 28, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

2020

  

2019

  

2018

 

Numerator:

            

Net income (loss)

 $(10,421) $(1,928) $8,218 
             

Denominator:

            

Denominator for basic income per share - weighted average shares

  9,969,616   10,285,511   10,651,351 

Effect of dilutive securities*

  -   -   40,424 

Denominator for diluted income per share — weighted average shares and assumed conversions

  9,969,616   10,285,511   10,691,775 
             

Basic income (loss) per share:

            

Net income (loss) per share — basic

 $(1.05) $(0.19) $0.77 
             

Diluted income (loss) per share:

            

Net income (loss) per share — diluted

 $(1.05) $(0.19) $0.77 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

2020

  

2019

  

2018

 

Unvested restricted shares

  34,500   90,153   45,036 

Stock options

  5,250   5,250   -