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Intangible assets, net (Tables)
12 Months Ended
Dec. 31, 2021
Intangible assets, net  
Schedule of Intangible Assets

December 31, 

2020

2021

Net book 

Net book 

(In thousands)

    

Cost

    

Amortization

    

value

    

Cost

    

Amortization

    

value

Land use rights

 

5,099

 

(1,258)

 

3,841

 

5,218

 

(1,461)

 

3,757

Acquired computer software

 

3,530

 

(2,853)

 

677

 

3,875

 

(3,053)

 

822

Audio-visual license

 

6,010

 

(1,671)

 

4,339

 

6,151

 

(2,431)

 

3,720

 

14,639

 

(5,782)

 

8,857

 

15,244

 

(6,945)

 

8,299

Schedule of Amortization Expense Recognized

Years ended December 31

(In thousands)

    

2019

    

2020

    

2021

Cost of revenues

 

5

 

 

10

General and administrative expenses

 

1,136

 

1,210

 

1,113

Research and development expenses

 

59

 

6

 

6

Total

 

1,200

 

1,216

 

1,129

Schedule of Estimated Aggregate Amortization Expense

(In thousands)

    

Intangible assets

2022

 

1,153

2023

 

1,140

2024

 

1,071

2025

 

974

2026 and thereafter

 

3,961

Schedule of Weighted Average Amortization Periods of Intangible Assets

(In year)

    

December 31, 2020

    

December 31, 2021

Land use rights

 

30

 

30

Acquired computer software

 

5

 

5

Audio-visual license

 

9

 

9

Total weighted average amortization periods

 

10

 

10