XML 34 R26.htm IDEA: XBRL DOCUMENT v3.20.1
Inventories - Schedule of Inventory (Details) - USD ($)
Jan. 31, 2020
Oct. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 3,201,958 $ 2,801,255
Spare parts and supplies 3,618,980 3,384,360
Work in process 739,539 743,850
Finished goods 401,037 437,891
Total $ 7,961,514 $ 7,367,356