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Inventories (Tables)
6 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consist of:
 
March 31, 
 2020
 
September 30, 
 2019
Raw materials and supplies
$
4,873

 
$
4,512

Work-in-process
4,974

 
2,721

Finished goods
3,555

 
3,276

Total inventories
$
13,402

 
$
10,509