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3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of changes in accounting estimates [abstract]
Explanation of changes in applicable tax rates	Limited to 30% of the taxable income, applying the rate of 15% plus an additional 10% for the IRPJ and 9% for the CSLL.
Adoption of IFRS 16		R$ 6,287
Weighted average rate	(12.80%)	(22.10%)	13.60%
Weighted average cost of capital	9.80%	11.30%

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- Definition

Amount represents value of impairment loss impairment gain and reversal of impairment loss determined in accordance with IFRS1.

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Percentage price of weighted average cost of capital.

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- Definition

The tax expense (income) divided by the accounting profit. [Refer: Accounting profit]

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The explanation of the changes in the entity's applicable income tax rate(s) compared to the previous accounting period.

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