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Inventory (Components Of Inventory) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Inventory Disclosure [Abstract]    
Raw Materials - corn $ 4,270 $ 4,095
Supplies and Chemicals 5,063 4,747
Work in Process 1,724 1,421
Finished Goods 6,110 3,263
Total $ 17,167 $ 13,526