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Inventory (Tables)
12 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
September 30,
20222021
Raw materials$12,504 $5,819 
Work in process8,218 6,848 
Finished goods2,129 1,554 
Parts and supplies73,482 54,352 
Total inventories$96,333 $68,573