v3.26.1
Summary of significant accounting policies (Tables)
12 Months Ended
Dec. 31, 2025
Summary of significant accounting policies  
Schedule of acquired finite-lived intangible assets by major class

Category

  ​ ​ ​

Estimated useful life

Software copyright

 

6 years

Customer relationship

 

7 years

Schedule of disaggregates revenue

For the years ended December 31,

  ​ ​ ​

2023

  ​ ​ ​

2024

  ​ ​ ​

2025

US$

US$

US$

Payment platform partnership

 

 

 

740

SaaS subscription services

 

 

 

367

Other revenue

 

  ​

 

  ​

 

  ​

Hardware sales and installment services

 

 

 

436

Software development services

 

 

 

55

Subtotal

 

 

 

491

Total

 

 

 

1,598

  ​ ​ ​

For the years ended December 31,

2023

2024

2025

 

US$

  ​ ​ ​

US$

  ​ ​ ​

US$

Revenues recognized at a point in time

 

 

 

1,217

Revenues recognized over time

 

 

 

381

Total

 

 

 

1,598