Note 13 - Accrued Payroll and Other Accruals - Accrued Payroll and Other Accruals (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Accrued payroll and other accruals	[1]	$ 489	$ 491
Accrued Payroll and Staff Welfare [Member]
Accrued payroll and other accruals		229	173
Accrued Operating Expenses [Member]
Accrued payroll and other accruals		$ 260	$ 318

[1] All of the VIEs' assets can be used to settle obligations of their primary beneficiary. Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company's general assets (Note 2).