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Note 4 - Loss Per Share (Tables)
 9 Months Ended
Jun. 29, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three months ended
   
Nine months ended
 
   
June 29,
2018
    
June 30,
2017
    
June 29,
2018
    
June 30,
2017
  
Numerator:
                                
Net loss
   $
(294
 )   $
(877
 )   $
(2,359
 )   $
(3,605
 )
                                 
Denominator:
                                
Weighted average shares outstanding
                                
Basic
    
13,224
      
13,224
      
13,224
      
13,224
  
Effect of dilutive securities
    
0
      
0
      
0
      
0
  
Diluted
    
13,224
      
13,224
      
13,224
      
13,224
  
                                 
Loss per common share - basic and diluted:
                                
Basic and diluted loss per share
   $
(0.02
 )   $
(0.07
 )   $
(0.18
 )   $
(0.27
 )