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Inventories
 3 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

5.Inventories

Inventories consist of the following:

 

 

December 31,

2018

 

 

September 30,

2018

 

Finished products

 

$

7,334

 

 

$

6,913

 

Semi-finished products

 

 

8,504

 

 

 

8,580

 

Raw materials and supplies

 

 

9,323

 

 

 

8,337

 

Inventories

 

$

25,161

 

 

$

23,830