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Note 4 - Inventories (Tables)
3 Months Ended
Dec. 30, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
    December 30, 2017   September 30, 2017
(As restated,
See Note 2)
         
Finished goods   $
8,015
    $
20,759
 
Work in process    
264,166
     
383,216
 
Raw materials    
1,130,307
     
954,369
 
    $
1,402,488
    $
1,358,344