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ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
12 Months Ended
Dec. 31, 2019
Trade and other current payables [abstract]  
ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
9. ACCOUNTS PAYABLE AND ACCRUED LIABILITIES
Accounts payable and accrued liabilities include the following components:
 
As of
 
As of
 
December 31,
2019
 
December 31,
2018
Trade and other payables
$
44,494

 
$
42,947

Accrued liabilities
38,567

 
25,522

Payroll related liabilities
7,781

 
10,015

Total
$
90,842

 
$
78,484