XML 55 R16.htm IDEA: XBRL DOCUMENT v3.20.1
Accounts payable and accruals
 12 Months Ended
Dec. 31, 2019
Accounts Payable And Accruals  
11. Accounts payable and accruals

    2019     2018  
Trade payables     7,128       4,567  
Accrued expenses     2,801       2,072  
Accrued wages and other benefits     575       1,842  
Others     750       973  
      11,254       9,454