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OTHER NON-CURRENT LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2019
OTHER NON-CURRENT LIABILITIES  
Schedule of other non-current liabilities

 

 

 

 

 

 

 

As of December 31,

 

    

2018

    

2019

ADR Reimbursement (note)

 

8,135

 

5,936