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ADVANCES FROM CUSTOMERS (Tables)
12 Months Ended
Dec. 31, 2020
ADVANCES FROM CUSTOMERS  
Contract with Customer, Asset and Liability

Advances from customers consist of the following and is analyzed as long-term and short-term portion respectively:

December 31, 

    

2019

    

2020

Customer A

$

4,184

$

12,323

Customer B

 

28,123

 

11,353

Customer C

 

 

8,320

Others

 

2,875

 

9,052

Total

$

35,182

$

41,048

Less: Advances from customers – short-term portion

$

33,028

$

37,783

Advances from customers – long-term portion

$

2,154

$

3,265