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Note 23 - Current Allowances and Provisions (Tables) | 12 Months Ended
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Dec. 31, 2017
Statement Line Items [Line Items] |
Disclosure of detailed information about current allowances and provisions deducted from assets [text block] |
Year ended December 31, 2017 |  | Allowance for doubtful accounts - Trade receivables |  |  | Allowance for other doubtful accounts - Other receivables |  |  | Allowance for inventory obsolescence |
Values at the beginning of the year |  |  | (85,724 | ) |  |  | (6,332 | ) |  |  | (240,242 | )
Translation differences |  |  | (345 | ) |  |  | (220 | ) |  |  | (3,575 | )
Reversals / (additional) allowances |  |  | 5,421 |  |  |  | (84 | ) |  |  | 12,917 |
Used |  |  | 2,263 |  |  |  | 381 |  |  |  | 14,832 |
At December 31, 2017 |  |  | (78,385 | ) |  |  | (6,255 | ) |  |  | (216,068 | )
Year ended December 31, 2016 |  | Allowance for doubtful accounts - Trade receivables |  |  | Allowance for other doubtful accounts - Other receivables |  |  | Allowance for inventory obsolescence |
Values at the beginning of the year |  |  | (101,480 | ) |  |  | (7,082 | ) |  |  | (229,200 | )
Translation differences |  |  | (841 | ) |  |  | 75 |  |  |  | (2,715 | )
Reversals / (additional) allowances |  |  | 12,573 |  |  |  | (432 | ) |  |  | (32,765 | )
Transfer to held for sale |  |  | 20 |  |  |  | - |  |  |  | 896 |
Used |  |  | 4,004 |  |  |  | 1,107 |  |  |  | 23,542 |
At December 31, 2016 |  |  | (85,724 | ) |  |  | (6,332 | ) |  |  | (240,242 | )
Disclosure of detailed information about current allowances and provisions from liabilities [text block] |
Year ended December 31, 2017 |  | Sales risks |  |  | Other claims and contingencies |  |  | Total |
Values at the beginning of the year |  |  | 13,885 |  |  |  | 8,871 |  |  |  | 22,756 |
Translation differences |  |  | 247 |  |  |  | 227 |  |  |  | 474 |
Additional provisions |  |  | 4,238 |  |  |  | 9,432 |  |  |  | 13,670 |
Reclassifications |  |  | - |  |  |  | 7,591 |  |  |  | 7,591 |
Used |  |  | (6,974 | ) |  |  | (5,187 | ) |  |  | (12,161 | )
At December 31, 2017 |  |  | 11,396 |  |  |  | 20,934 |  |  |  | 32,330 |
Year ended December 31, 2016 |  | Sales risks |  |  | Other claims and contingencies |  |  | Total |
Values at the beginning of the year |  |  | 6,290 |  |  |  | 2,705 |  |  |  | 8,995 |
Translation differences |  |  | 189 |  |  |  | (86 | ) |  |  | 103 |
Additional provisions |  |  | 16,266 |  |  |  | 7,791 |  |  |  | 24,057 |
Reclassifications |  |  | (22 | ) |  |  | 1,954 |  |  |  | 1,932 |
Used |  |  | (8,838 | ) |  |  | (3,493 | ) |  |  | (12,331 | )
At December 31, 2016 |  |  | 13,885 |  |  |  | 8,871 |  |  |  | 22,756 |

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