22. Subscription warrants - indemnification (Details Narrative) - BRL (R$) R$ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Subscription Warrants - Indemnification Details Narrative
Subscription warrants, shares	2,415,848	2,394,825
Subscription warrants - indemnification	R$ 171,459	R$ 153,429
Maximum number of shares available for issue - subscription warrants	3,035,499	3,059,579

Maximum number of shares available for issue - subscription warrants. Because of the association between the Company and Extrafarma on January 31, 2014, 7 subscription warrants – indemnification were issued. The subscription warrants – indemnification may be exercised beginning 2020 by the former shareholders of Extrafarma.

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