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Operating Leases (Tables)
12 Months Ended
Dec. 31, 2023
Operating Leases  
Summary of components of lease expenses

Year Ended December 31, 

    

2021

    

2022

    

2023

US$

US$

US$

Lease cost:

 

 

 

Amortization of right-of-use assets

 

6,981

 

4,766

 

4,100

Interest of lease liabilities

 

749

 

692

 

354

Expenses for short-term lease within 12 months

 

501

 

1,168

 

76

Total lease cost

 

8,231

 

6,626

 

4,530

Summary of supplemental cash flow information related to leases

Year Ended December 31, 

    

2021

    

2022

    

2023

US$

US$

US$

Cash paid for amounts included in the measurement of lease liabilities

 

7,920

 

5,554

 

4,134

Right-of-use assets obtained in exchange for operating lease liabilities

 

23,810

 

884

 

2,727

Summary of supplemental consolidated balance sheet information related to leases

    

As of December 31, 

    

2022

    

2023

US$

US$

Right-of-use assets

 

9,736

 

7,647

Operating lease liabilities-current

 

3,850

 

3,883

Operating lease liabilities-non-current

 

5,292

 

3,904

Total lease liabilities

 

9,142

 

7,787

Weighted-average remaining lease term

 

  

 

  

Operating leases

 

2.73 years

 

2.12 years

Weighted-average discount rate

 

  

 

  

Operating lease

 

4.75% per annum

 

4.75% per annum

Summary of maturities of lease liabilities

    

As of December 31, 

    

2022

    

2023

US$

US$

2023

 

4,200

 

2024

 

2,835

 

4,237

2025

 

2,675

 

3,880

2026

46

124

2027

4

5

Total undiscounted lease payments

 

9,760

 

8,246

Less: imputed interest

 

(618)

 

(459)

Total lease liabilities

 

9,142

 

7,787