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Note 14 - Inventories, Net | 12 Months Ended
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Dec. 31, 2019
Statement Line Items [Line Items] |
Disclosure of inventories [text block] |
| 14 | Inventories, net
|  | Year ended December 31,
|  | 2019 |  | 2018
Finished goods |  |  | 968,329 |  |  |  | 1,025,999 |
Goods in process |  |  | 612,888 |  |  |  | 709,497 |
Raw materials |  |  | 221,954 |  |  |  | 256,816 |
Supplies |  |  | 486,411 |  |  |  | 504,286 |
Goods in transit |  |  | 194,015 |  |  |  | 237,539 |
|  |  | 2,483,597 |  |  |  | 2,734,137 |
Allowance for obsolescence (see Note 23 (i)) |  |  | (217,717 | ) |  |  | (209,796 | )
|  |  | 2,265,880 |  |  |  | 2,524,341 |

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