XML 38 R25.htm IDEA: XBRL DOCUMENT v3.21.2
Inventory (Tables)
9 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories consist of the following components:
June 30,September 30,
20212020
Raw materials$5,264 $3,232 
Work in process5,928 4,894 
Finished goods1,537 1,186 
Parts and supplies58,833 15,577 
Total inventories$71,562 $24,889