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Note 18 - Cash and Cash Equivalents and Other Investments | 12 Months Ended
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Dec. 31, 2019
Statement Line Items [Line Items] |
Disclosure of cash and cash equivalents and other investments [text block] |
| 18 | Cash and cash equivalents and other investments
|  | Year ended December 31,
|  | 2019 |  | 2018
Cash and cash equivalents |  |  |  |  |  |  |  |
Cash at banks |  |  | 118,314 |  |  |  | 81,211 |
Liquidity funds |  |  | 1,166,697 |  |  |  | 160,198 |
Short – term investments |  |  | 269,288 |  |  |  | 186,952 |
|  |  | 1,554,299 |  |  |  | 428,361 |
Other investments - current |  |  |  |  |  |  |  |
Fixed Income (time-deposit, zero coupon bonds, commercial papers) |  |  | 65,874 |  |  |  | 300,410 |
Bonds and other fixed Income |  |  | 144,502 |  |  |  | 187,324 |
|  |  | 210,376 |  |  |  | 487,734 |
Other investments - Non-current |  |  |  |  |  |  |  |
Bonds and other fixed Income |  |  | 18,012 |  |  |  | 113,829 |
Others |  |  | 6,922 |  |  |  | 4,326 |
|  |  | 24,934 |  |  |  | 118,155 |

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