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Inventories (Tables)
9 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consist of:
 
June 30, 
 2018
 
September 30, 
 2017
Raw materials and supplies
$
6,407

 
$
6,108

Work-in-process
8,373

 
7,650

Finished goods
6,252

 
6,623

Total inventories
$
21,032

 
$
20,381