Note 11 - Property and Equipment, Net (Details) - Property and Equipment, Net - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Note 11 - Property and Equipment, Net (Details) - Property and Equipment, Net [Line Items]
Property and equipment, gross	$ 3,881	$ 3,768
Less: accumulated depreciation	(3,004)	(2,922)
Less: impairment loss on abandoned fixed assets	(166)	(165)
Property and equipment, net	711	681
Leaseholds and Leasehold Improvements [Member]
Note 11 - Property and Equipment, Net (Details) - Property and Equipment, Net [Line Items]
Property and equipment, gross	384	382
Vehicles [Member]
Note 11 - Property and Equipment, Net (Details) - Property and Equipment, Net [Line Items]
Property and equipment, gross	819	839
Office Equipment [Member]
Note 11 - Property and Equipment, Net (Details) - Property and Equipment, Net [Line Items]
Property and equipment, gross	1,501	1,376
Electronic Devices [Member]
Note 11 - Property and Equipment, Net (Details) - Property and Equipment, Net [Line Items]
Property and equipment, gross	$ 1,177	$ 1,171