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Property and equipment
12 Months Ended
Dec. 31, 2020
Property and equipment  
Property and equipment

11.          Property and equipment

Property and equipment consist of the following:

(In thousands)

    

December 31, 2019

    

December 31, 2020

Servers and network equipment

 

39,130

 

35,827

Computer equipment

 

1,762

 

1,565

Furniture, fixtures and office equipment

 

806

 

836

Motor vehicles

 

406

 

481

Leasehold improvements

 

6,566

 

6,604

Total original costs

 

48,670

 

45,313

Less: Accumulated depreciation

 

(28,357)

 

(33,006)

Less: Accumulated impairment

 

(4)

 

(3)

Sub-total

 

20,309

 

12,304

Construction in progress

 

18,461

 

38,421

Total

 

38,770

 

50,725

No impairment loss was recognized for the years ended December 31, 2018, 2019 and 2020.

Impairment loss of USD 6,000 and USD 1,000 has been reversed as of December 31, 2019 and December 31, 2020 due to disposal.

Depreciation expense recognized for the years ended December 31, 2018, 2019 and 2020 are summarized as follows:

    

Years ended December 31

(In thousands)

2018

2019

2020

Cost of revenues

 

5,018

 

5,198

 

6,247

Research and development expenses

 

331

 

300

 

529

General and administrative expenses

 

245

 

317

 

2,492

Sales and marketing expenses

 

1

 

9

 

9

Total

 

5,595

 

5,824

 

9,277