Note 13 - Accrued Payroll and Other Accruals - Accrued Payroll and Other Accruals (Details) - USD ($) $ in Thousands		Jun. 30, 2021	Dec. 31, 2020
Accrued payroll and other accruals	[1]	$ 280	$ 489
Accrued Payroll and Staff Welfare [Member]
Accrued payroll and other accruals		179	229
Accrued Operating Expenses [Member]
Accrued payroll and other accruals		$ 101	$ 260

[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).