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Right-of-use assets and lease liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Right-of-use assets and lease liabilities  
Schedule of right-of-use assets for long-term operating leases

(In thousands)

    

Office leases

Net book amount as of January 1, 2020

8,747

Additions

500

Modification of operating lease

(3,825)

Amortization

(3,685)

Effect of foreign currency exchange differences

217

Net book amount as of December 31, 2020

 

1,954

Additions

 

25

Modification of operating lease

 

(43)

Amortization

 

(1,934)

Effect of foreign currency exchange differences

 

25

Net book amount as of December 31, 2021

27

Schedule of undiscounted cash payment

The undiscounted cash payments for each of the next five years as of December 31, 2020 is:

(In thousands)

    

  

2021

 

1,998

2022

 

28

Total undiscounted payments

2,026

Less: effect of discounting

(38)

Discounted lease liabilities

 

1,988

The undiscounted cash payments for each of the next five years as of December 31, 2021 is:

(In thousands)

    

  

2022

 

19

2023

 

7

Total undiscounted payments

 

26

Less: effect of discounting

 

(1)

Discounted lease liabilities

 

25