| Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
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| Net revenue | 20,438 | 25,865 | 39,737 | 39,468 | 43,951 |
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| Cost of sales | 14,502 | 19,864 | 30,753 | 28,550 | 30,236 |
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| Gross profit | 5,936 | 6,001 | 8,984 | 10,919 | 13,715 |
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| Selling Expenses | 959 | 723 | 1,276 | 1,351 | 1,576 |
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| General And Administrative Expenses | 1,791 | 1,572 | 1,976 | 2,528 | 2,845 |
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| Other operating income (expenses), net | - | - | - | - | 1,550 |
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| Provision for Impairment | - | - | - | - | 3,155 |
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| The amount of all operating income (expenses). | - | - | - | 46 | -6,027 |
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| Profit before equity in earnings of investees, finance results and income taxes | 3,363 | 4,088 | 7,484 | 10,964 | 7,688 |
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| Impairment in associate | - | - | - | - | 4,672 |
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| Interest in earnings (losses) of subsidiaries and associates | 29 | 130 | 469 | 350 | 1,719 |
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| Equity income (loss) of jointly controlled companies | 583 | 4,591 | -92 | 1,696 | -1,230 |
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| Equity in earnings of investees | 612 | 4,721 | 377 | 2,046 | -4,183 |
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| Finance costs | 4,728 | 2,528 | 4,707 | 11,337 | 7,637 |
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| Financial income | 408 | 1,258 | 5,778 | 3,028 | 2,656 |
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| Gains (losses) on exchange differences on translation, before tax | -3,259 | -1,100 | 261 | 1,777 | -5,741 |
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| Net effect of derivatives | 5,595 | -189 | -6,490 | -1,365 | 1,973 |
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| Financial result, net | -1,984 | -2,558 | -5,158 | -7,897 | -8,750 |
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| Profit before income tax and social contribution | 1,991 | 6,251 | 2,702 | 5,114 | -5,245 |
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| Current tax expense (income) | 941 | 788 | 1,247 | 1,645 | 1,952 |
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| Deferred tax expense (income) | -439 | -1,233 | -1,365 | -1,371 | 1,238 |
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| Income tax and social contribution | 503 | -446 | -118 | 274 | 3,191 |
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| Profits and losses from continuing operations | 1,488 | 6,696 | - | 4,839 | -8,436 |
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| Equity income | - | - | - | 45 | 274 |
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| Profit (loss) | 1,488 | 6,696 | 2,821 | 4,885 | -8,162 |
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| Actuarial gain (loss) with defined benefit plan | -56 | 63 | 80 | -72 | 163 |
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| Tax effect on actuarial gains losses on defined benefit obligations. | -19 | 22 | 27 | -24 | 55 |
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| Other comprehensive income that will not be reclassified to profit or loss, net of tax | -37 | 42 | 53 | -47 | 107 |
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| Foreign currency translation differences | - | - | - | -173 | 537 |
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| Gain (loss) on cash flow hedge | - | - | - | -125 | -394 |
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| Items that are or may be reclassified subsequently to profit or loss | -569 | -509 | 941 | -298 | 143 |
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| Other comprehensive income | -605 | -467 | 994 | -345 | 251 |
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| Total comprehensive income for the year | - | - | - | 4,494 | -8,185 |
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| Comprehensive income from discontinued operations | - | - | - | 45 | 274 |
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| Total comprehensive income for the year | 883 | 6,229 | 3,815 | 4,540 | -7,911 |
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| Owners of the Company | 859 | 6,312 | 1,176 | 1,094 | -9,424 |
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| Non-controlling interests | 629 | 384 | 1,645 | 3,790 | 1,262 |
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| Profit (loss) | 1,488 | 6,696 | 2,821 | 4,885 | -8,162 |
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| Comprehensive income, attributable to owners of parent | 141 | 5,933 | 2,265 | 841 | -9,172 |
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| Comprehensive income, attributable to non-controlling interests | 742 | 296 | 1,550 | 3,699 | 1,261 |
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| Total comprehensive income for the year | 883 | 6,229 | 3,815 | 4,540 | -7,911 |
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| Basic earnings (loss) per share from continuing operations | 3.843 | 3.441 | - | 0.578 | -5.16 |
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| Diluted earnings (loss) per share from continuing operations | 3.706 | 3.429 | - | 0.575 | -5.16 |
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| Basic earnings (loss) per share from discontinued operations | - | - | - | 0.008 | 0.1 |
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| Diluted earnings (loss) per share from discontinued operations | - | - | - | 0.008 | 0.1 |
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