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14. Financial assets at fair value through profit or loss
 12 Months Ended
Dec. 31, 2019
Financial assets at fair value through profit or loss [abstract]  
Financial assets at fair value through profit or loss
     12.31.19    12.31.18
         
Current        
Money market funds   2,789,831   147,236
Government bonds   -   5,052,573
Total current   2,789,831   5,199,809