Note 18 - Employee Defined Contribution Plan

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Retirement Benefits [Text Block]

18. 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$0.05

million and

US$0.04

million for the

three

months ended

March 31, 2021

and

2020,

respectively.