XML 66 R12.htm IDEA: XBRL DOCUMENT v3.20.1
Cash and cash equivalents
12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Cash and cash equivalents
6.
Cash and cash equivalents
 
   
2019
   
2018
 
Short-term bank deposits - denominated in R$
   910,080    235,488 
Short-term bank deposits - denominated in US$
   58,262    62,441 
  
 
 
   
 
 
 
  
 
968,342
 
  
 
297,929