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Financial assets and financial liabilities (Details Narrative) | 12 Months Ended
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Dec. 31, 2021 BRL (R$) Number | Dec. 31, 2020 BRL (R$) | Dec. 31, 2019 BRL (R$)
IfrsStatementLineItems [Line Items] |  |  |
Transaction costs | R$ 13,030 |  |
Contractual lease term | 1 year |  |
Amount recognized lease expense from short-term leases and low-value assets | R$ 11,229 | R$ 2,555 | R$ 4,494
Notes payable | 72,726 |  |
Currency risk [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Exposure risk | R$ 23,228 | R$ 70,523 |
Percentage of sensitivity change in the Euro exchange rate | 10.00% |  |
Closing foreign exchange rate | Number | 5.5799 |  |
Currency risk [member] | Euro Member Countries, Euro |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Closing foreign exchange rate | Number | 1.00 |  |
Bottom of range [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Contractual lease term | 5 years |  |
Top of range [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Contractual lease term | 30 years |  |

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