Note 13 - Accrued Payroll and Other Accruals - Accrued Payroll and Other Accruals (Details) - USD ($) $ in Thousands		Mar. 31, 2019	Dec. 31, 2018
Accrued payroll and other accruals *	[1]	$ 411	$ 521
Accrued Payroll and Staff Welfare [Member]
Accrued payroll and other accruals *		238	208
Accrued Operating Expenses [Member]
Accrued payroll and other accruals *		$ 173	$ 313

[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).