XML 39 R28.htm IDEA: XBRL DOCUMENT v3.19.2
Note 4 - Inventories - Components of Inventories (Details) - USD ($)
Apr. 30, 2019
Oct. 31, 2018
Finished goods $ 6,238,608 $ 5,454,629
Work in process 4,156,203 3,877,670
Raw materials 9,538,869 7,871,145
Production supplies 309,543 271,311
Total $ 20,243,223 $ 17,474,755