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14 INCOME TAX AND SOCIAL CONTRIBUTION (Details 3)
R$ in Thousands
Dec. 31, 2019
BRL (R$)
IncomeTaxAndSocialContributionTillLineItems [Line Items]  
Deferred Asset R$ 3,297
Deferred liabilities - Parent Company (823)
Net Deferred Asset 2,474
Deferred liabilities - Subsidiaries (590)
Net Deferred Asset 1,884
2020 [member]  
IncomeTaxAndSocialContributionTillLineItems [Line Items]  
Deferred Asset 230
2021[Member]  
IncomeTaxAndSocialContributionTillLineItems [Line Items]  
Deferred Asset 713
2022[Member]  
IncomeTaxAndSocialContributionTillLineItems [Line Items]  
Deferred Asset 938
2023[Member]  
IncomeTaxAndSocialContributionTillLineItems [Line Items]  
Deferred Asset 985
2024[Member]  
IncomeTaxAndSocialContributionTillLineItems [Line Items]  
Deferred Asset R$ 431