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Inventories (Tables)
6 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consist of:
March 31,
2021
September 30,
2020
Raw materials and supplies$6,379 $6,548 
Work-in-process3,564 3,786 
Finished goods5,625 5,235 
Total inventories$15,568 $15,569