Note 12 - Accrued Payroll and Other Accruals - Accrued Payroll and Other Accruals (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Accrued payroll and other accruals*	[1]	$ 323	$ 389
Accrued Payroll and Staff Welfare [Member]
Accrued payroll and other accruals*		138	142
Accrued Operating Expenses [Member]
Accrued payroll and other accruals*		$ 185	$ 247

[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).