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Note 7 - Inventories, Net
6 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Inventory Disclosure [Text Block]
7.
INVENTORIES, NET
 
Inventories, net consisted of the following:
 
   
March 31,
   
September 30,
 
   
2021
   
2020
 
Raw materials
  $
5,385
    $
5,220
 
Finished goods
   
718
     
841
 
Work in process
   
980
     
456
 
Inventories, gross
   
7,083
     
6,517
 
Reserve for obsolescence
   
(632
)    
(568
)
Inventories, net
  $
6,451
    $
5,949