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Note 5 (Tables)
9 Months Ended
Jun. 30, 2018
Notes Tables  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
   
Three months ended
   
Nine months ended
 
   
June 30,
   
June 24,
   
June 30,
   
June 24,
 
   
2018
   
2017
   
2018
   
2017
 
                                 
                                 
                                 
Stock Options
  $
473
    $
(20
)   $
1,559
    $
(165
)
Stock purchase plan
   
89
     
65
     
355
     
300
 
Stock issued to an outside director
   
16
     
14
     
48
     
42
 
Restricted stock issued to an employee
   
1
     
1
     
3
     
3
 
Total share-based compensation
  $
579
    $
60
    $
1,965
    $
180
 
                                 
The above compensation is net of tax benefits
  $
427
    $
751
    $
909
    $
2,060