XML 26 R16.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 2 - Inventories (Tables)
9 Months Ended
Jun. 30, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
     
June 30, 2018
     
September 30, 2017
 
                 
Finished goods   $
29,499
    $
20,759
 
Work in process    
639,050
     
383,216
 
Raw materials    
886,389
     
954,369
 
    $
1,554,938
    $
1,358,344