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Equity - Earnings per share (Details) - BRL (R$) R$ / shares in Units, R$ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings per share
Net Profit (Loss) attributable to shareholders, basic	R$ (36,438)	R$ 9,648	R$ 9,548
Net Profit (Loss) attributable to shareholders, diluted	R$ (36,438)	R$ 9,648	R$ 9,548
Average number of shares, basic	2,540,716,879	2,233,956,090	1,919,855,417
Average number of shares, diluted	2,540,716,879	2,233,956,090	1,919,855,417
Basic earnings per share	R$ (0.0143)	R$ 0.0043	R$ 0.0050
Diluted earnings per share	R$ (0.0143)	R$ 0.0043	R$ 0.0050

X

- Definition

The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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