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Bonds and financing - Parentheticals (Details 2) - BRL (R$) R$ in Thousands |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 28, 2022 | Aug. 06, 2021 | May 31, 2021 | Mar. 15, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Bonds and financing |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  |  |  | CDI |  |  |
Payment of borrowings principal |  |  |  |  | R$ 255,644 | [1] | R$ 477,741 | [2]
Somos Sistemas De Ensino S.A. [Member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Issued simple debentures, not convertible | R$ 250,000 |  |  |  |  |  |  |
Non-current Bonds with related parties [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings principal |  |  |  |  | 0 | [1] | 0 | [2]
Non-current Bonds with related parties [member] | Somos Sistemas De Ensino S.A. [Member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 100% of the CDI |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.40% |  |  |  |  |  |  |
Issued simple debentures, not convertible | R$ 250,000 |  |  |  |  |  |  |
Borrowings average maturity | 37 months |  |  |  |  |  |  |
Current Bonds with related parties [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings principal |  |  |  |  | 254,885 | [1] | 477,564 | [2]
Current Bonds with related parties [member] | Bonds, 5th Issuance, 1st series [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings principal |  |  |  | R$ 100,000 |  |  |  |
Payment of borrowings interest |  |  |  | 1,488 |  |  |  |
Payment of borrowings principal and interest |  |  |  | 101,488 |  |  |  |
Current Bonds with related parties [member] | Bonds, 5th Issuance, 2nd series [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings interest |  | R$ 2,029 |  | 1,451 |  |  |  |
Current Bonds with related parties [member] | Bonds, 6th Issuance, 2nd series [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings interest |  | 4,758 |  | 3,613 |  |  |  |
Current Bonds with related parties [member] | Bonds, 7th Issuance, single series [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings principal |  | 189,564 | R$ 188,000 |  |  |  |  |
Payment of borrowings interest |  | R$ 5,871 |  | R$ 5,663 |  |  |  |
Current Financing [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings principal |  |  |  |  | 759 | [1] | 177 | [2]
Current Financing [member] | Banco de Desenvolvimento de Minas Gerais SA [member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Periodic payment of borrowings by monthly, principal |  |  |  |  |  |  | 15 |
Periodic payment of borrowings by monthly, interest |  |  |  |  |  |  | 4 |
Payment of borrowings principal |  |  |  |  |  |  | 177 |
Payment of borrowings interest |  |  |  |  |  |  | 49 |
Non-current Bonds [Member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Payment of borrowings principal |  |  |  |  | R$ 0 | [1] | R$ 0 | [2]
Non-current Bonds [Member] | Somos Sistemas De Ensino S.A. [Member] |  |  |  |  |  |  |  |
Bonds and financing |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  | 100% of DI Interest Deposit rate (CDI) |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  | 2.30% |  |  |  |  |  |
Issued simple debentures, not convertible |  | R$ 500,000 |  |  |  |  |  |
Borrowings average maturity |  | 35 months |  |  |  |  |  |
[1] | We present below the composition of interest and principal payments considering the issues made:
[2] | On March 15, 2021, the Company, substantially settled bonds with related parties amounting to R$ 100,000 and R$ 1,488, in principal and interest, respectively as follows: 5th Issuance, 1st series – R$ 101,488. In addition, the Company settled only interest on the following bonds: 5th Issuance, 2nd series – R$ 1,451, 6th Issuance, 2nd series – R$ 3,613 and 7th Issuance, single series – R$ 5,663. This measure is part of a commitment with shareholders as a result of the IPO. On May 31, 2021, the Company partially settled bonds with related parties amounting to R$ 188,000, of principal of the 7th issuance single series. On August 6, 2021, the Company settled the remaining 7th issuance with related parties in the amounts of R$189,564 and R$5,871, as principal and interest. In addition, the Company settled only interest on the following bonds: 5th Issuance, 2nd series – R$ 2,029 and 6th Issuance, 2nd series – R$ 4,758. Regarding the financing with Banco de Desenvolvimento de Minas Gerais SA - BDMG, the Company pays monthly the amount of R$ 15 and R$ 4, respectively, of principal and interest, totaling on December 31, 2021 an amount of R$177 and R$49, respectively, of principal and interest.

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