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22. EARNINGS (LOSS) PER SHARE (Details 1) - BRL (R$) R$ / shares in Units, R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Discontinued operations - Basic numerator |  |  |
Net (loss) for the exercise attributable to controlling shareholders |  | R$ (904,628) | R$ (2,333,093)
Discontinued operations - Basic denominator |  |  |
Common shares |  | 812,473,246 | 812,473,246
Weighted average number of outstanding shares - basic (except treasury shares) | 809,110,872 | 811,539,167 | 811,294,251
Net (loss) per share basic - R$ |  | R$ (1.11) | R$ (2.88)
Discontinued operations - Diluted numerator |  |  |
Net (loss) for the exercise attributable to controlling shareholders |  | R$ (904,628) | R$ (2,333,093)
Discontinued operations - Diluted denominator |  |  |
Weighted average number of outstanding shares - basic (except treasury shares) |  | 811,539,167 | 811,294,251
Weighted average number of outstanding shares - diluted | 809,110,872 | 811,539,167 | 811,294,251
Net (loss) per share diluted - R$ |  | R$ (1.11) | R$ (2.88)

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