XML 84 R60.htm IDEA: XBRL DOCUMENT v3.25.1
Inventories (Tables)
 12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of inventories
       
    12.31.24   12.31.23
         
Supplies and spare-parts              149,772                86,703
Advance to suppliers                         -                        1
Total inventories              149,772                86,704