Note 15 - Employee Defined Contribution Plan

9 Months Ended

Sep. 30, 2025

Notes to Financial Statements

Retirement Benefits [Text Block]

15. Employee defined contribution plan

Full time employees of the Company in the PRC participate in a government mandated defined contribution plan, pursuant to which certain pension benefits, medical care, employee housing fund and other welfare benefits are provided to employees. Chinese labor regulations require that the PRC subsidiaries of the Company make contributions to the government for these benefits based on certain percentages of the employees’ salaries. The employee benefits were expensed as incurred. The Company has no legal obligation for the benefits beyond the contributions made. The total amounts for such employee benefits were approximately US$0.04 million and US$0.07 million for the nine months ended September 30, 2025 and 2024, respectively. The total amounts for such employee benefits were approximately US$0.01 million and US$0.02 million for the three months ended September 30, 2025 and 2024, respectively.