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Inventory
9 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
Inventory Disclosure

10. INVENTORY

 

Inventories consist of the following components:

June 30,September 30,
20182017
Raw materials$4,175$4,104
Work in process4,3963,731
Finished goods1,6081,692
Parts and supplies8,5387,396
Total inventories$18,717$16,923