Note 19 - Taxation (Details) - Reconciliation of the Provison for Income Taxes - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of the Provison for Income Taxes [Abstract]
Pre-tax loss	$ (9,212)	$ (12,946)
U.S. federal rate	35.00%	35.00%
Income tax benefit computed at U.S. federal rate	$ 3,224	$ 4,531
Reconciling items:
Rate differential for domestic earnings	(647)	(762)
Preferential tax treatments and tax holiday effects	(16)	(176)
Valuation allowance on deferred tax assets	(1,057)	(2,269)
Goodwill impairment loss		(938)
Others	(8)	92
Effective income tax benefit	$ 1,496	$ 478