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Note 12 - Earnings Per Share (Tables)
9 Months Ended
Aug. 26, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Net Income
   
Weighted Average
Shares
   
Net Income
Per Share
 
For the quarter ended August 26, 2017:
                       
                         
Basic earnings per share
  $
4,579
     
10,661,433
    $
0.43
 
Add effect of dilutive securities:
                       
Options and restricted shares
   
-
     
69,772
     
-
 
Diluted earnings per share
  $
4,579
     
10,731,205
    $
0.43
 
                         
For the quarter ended August 27, 2016:
                       
                         
Basic earnings per share
  $
4,165
     
10,739,006
    $
0.39
 
Add effect of dilutive securities:
                       
Options and restricted shares
   
-
     
139,661
     
(0.01
)
Diluted earnings per share
  $
4,165
     
10,878,667
    $
0.38
 
                         
For the nine months ended August 26, 2017:
                       
                         
Basic earnings per share
  $
13,282
     
10,641,035
    $
1.25
 
Add effect of dilutive securities:
                       
Options and restricted shares
   
-
     
81,558
     
(0.01
)
Diluted earnings per share
  $
13,282
     
10,722,593
    $
1.24
 
                         
For the nine months ended Ausust 27, 2016:
                       
                         
Basic earnings per share
  $
10,784
     
10,762,106
    $
1.00
 
Add effect of dilutive securities:
                       
Options and restricted shares
   
-
     
139,834
     
(0.01
)
Diluted earnings per share
  $
10,784
     
10,901,940
    $
0.99
 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
Quarter Ended
   
Nine Months Ended
 
   
August 26,
2017
   
August 27,
2016
   
August 26,
2017
   
August 27,
2016
 
                                 
Unvested shares
   
-
     
2,000
     
6,538
     
7,814