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Bonds and financing - Schedule of composition of interest and principal payments of bonds and financing (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | [2] | Dec. 31, 2020
Bonds and financing |  |  |  |
Payment of interest | R$ (92,500) | [1] | R$ (24,922) | R$ (49,404)
Payment of principal | (255,644) | [1] | (477,741) |
Current Bonds with Related Parties [member] |  |  |  |
Bonds and financing |  |  |  |
Payment of interest | (33,921) | [1] | (24,873) |
Payment of principal | (254,885) | [1] | (477,564) |
Current Bonds |  |  |  |
Bonds and financing |  |  |  |
Payment of interest | (58,425) | [1] | 0 |
Payment of principal | R$ 0 | [1] | 0 |
Current Bonds | SSED21 – 6th. SOMOS – 2nd. Série |  |  |  |
Bonds and financing |  |  |  |
Payments | 02/15/2022 and 08/11/2022 |  |  |
Payment of interest | R$ (10,792) |  |  |
Payment of principal | R$ (50,885) |  |  |
Current Bonds | SEDU21 – 7th. SOMOS 2nd. Série |  |  |  |
Bonds and financing |  |  |  |
Payments | 02/15/2022 and 08/11/2022 |  |  |
Payment of interest | R$ (23,129) |  |  |
Payment of principal | R$ (204,000) |  |  |
Current Bonds | GAGL11 - Somos Sistemas |  |  |  |
Bonds and financing |  |  |  |
Payments | 02/07/2022 and 08/05/2022 |  |  |
Payment of interest | R$ (58,425) |  |  |
Payment of principal | R$ 0 |  |  |
Current Financing [member] |  |  |  |
Bonds and financing |  |  |  |
Payments | 06/22/2022 |  |  |
Payment of interest | R$ (154) | [1] | (49) |
Payment of principal | R$ (759) | [1] | R$ (177) |
[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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