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Note 3 - Inventories (Tables) | 12 Months Ended
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Oct. 31, 2018
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
|  | October 31, |
|  | 2018 |  |  | 2017 |
Finished goods |  | $ | 5,454,629 |  |  | $ | 5,869,269 |
Work in process |  |  | 3,877,670 |  |  |  | 2,507,434 |
Raw materials |  |  | 7,871,145 |  |  |  | 8,108,433 |
Production supplies |  |  | 271,311 |  |  |  | 296,313 |
Total |  | $ | 17,474,755 |  |  | $ | 16,781,449 |

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