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Inventories (Tables)
9 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consist of:
 
June 30, 
 2020
 
September 30, 
 2019
Raw materials and supplies
$
5,629

 
$
4,512

Work-in-process
4,052

 
2,721

Finished goods
5,607

 
3,276

Total inventories
$
15,288

 
$
10,509