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13. FINANCIAL INSTRUMENTS (Details 4) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure of detailed information about financial instruments [line items]
Notional amount	R$ 18,563
Asset position	71,967
Liability position	(71,616)
Fair market value of amounts receivable/(payable)	R$ 351
Dollar-to-euro swap
Disclosure of detailed information about financial instruments [line items]
Counterparty name	BCP
Notional amount	R$ 18,563
Asset position	71,967
Liability position	(71,616)
Fair market value of amounts receivable/(payable)	351
Impact on finance income (cost)	R$ (1)	R$ 28,503

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Adjustments for net finance income or cost to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Finance income (cost); Profit (loss)]

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