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6. Critical accounting estimates and judgments (Tables)

12 Months Ended

Dec. 31, 2018

Critical Accounting Estimates And Judgments Tables Abstract

Loss expected percentage

	Number of days
	0-30		30-60		60-90		90-120		120-150		+150
Loss expected percentage	8%		12%		19%		26%		59%		69%

Provisions for impairments

Amount of the provisions for impairment of the trade receivables at 12.31.2017 by IAS 39			(458,853)
Adjustment of expected losses IFRS 9			(82,041)
Amount of the provisions for impairment of the trade receivables at 12.31.2017 by IAS 39			(540,894)