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Financial assets and financial liabilities (Details 9) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Cash and cash equivalents | R$ (540,052) | R$ 344,520 | R$ (296,480)
Exposure [member] | Currency risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cash and cash equivalents | 23,173 |  |
Increase in Foreign Currency Sensitivity +10% [member] | Currency risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cash and cash equivalents | 2,317 |  |
Decrease in Foreign Currency Sensitivity -10% [member] | Currency risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Cash and cash equivalents | R$ (2,317) |  |

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- Definition The increase (decrease) in cash and cash equivalents after the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + Details
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