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21 Loans and Financing (Details Narrative) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about borrowings [line items] |  |
Description of securites term | The term of these securities ranges from 1 to 52 months from the end of the reporting period. |
National Treasury Department [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Description of securites term | 2024.04.11 |
National Treasury Department [Member] | Par Bonds [Member] | Collateral [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Cash deposits | R$ 57,968 | R$ 52,717
National Treasury Department [Member] | Discount Bonds [Member] | Collateral [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Cash deposits | R$ 40,465 | R$ 36,838

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