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Note 15 - Current Tax Assets and Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Statement Line Items [Line Items] |
Disclosure of detailed information about current tax assets [text block] |
|  | Year ended December 31,
Current tax assets |  | 2018 |  | 2017
V.A.T. credits |  |  | 67,322 |  |  |  | 76,714 |
Prepaid taxes |  |  | 54,010 |  |  |  | 55,620 |
|  |  | 121,332 |  |  |  | 132,334 |
Disclosure of detailed information about tax liabilities [text block] |
|  | Year ended December 31,
Current tax liabilities |  | 2018 |  | 2017
Income tax liabilities |  |  | 182,711 |  |  |  | 35,210 |
V.A.T. liabilities |  |  | 18,091 |  |  |  | 14,313 |
Other taxes |  |  | 49,431 |  |  |  | 52,882 |
|  |  | 250,233 |  |  |  | 102,405 |

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