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Inventories (Tables)
12 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories at September 30 consist of:
20212020
Raw materials and supplies$4,111 $6,548 
Work-in-process3,560 3,786 
Finished goods4,875 5,235 
Total inventories$12,546 $15,569