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19 SHAREHOLDERS' EQUITY (Details Narrative) - BRL (R$) R$ / shares in Units, R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Issued capital | R$ 4,540,000 | R$ 4,540,000
Number of common shares outstanding | 1,387,524,047 | 1,387,524,047
Capital increase | 2,400,000,000 |
Number of share issued, value |  | R$ 213,402
Average [Member] |  |
Share price | R$ 7.86 |
Treasury Shares [Member] |  |
Number of common shares outstanding | 7,409,500 | 7,409,500
Number of share authorized to sale | 30,391,000 |
Number of share issued | 22,981,500 |
Number of share issued, value | R$ 213,494 |
Profit on sale of shares | R$ 32,690 |
Treasury Shares [Member] | Average [Member] |  |
Share price | R$ 14.11 |

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