Note 2 - Variable Interest Entities (Details) - Consolidated VIEs' Financial Performance - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Note 2 - Variable Interest Entities (Details) - Consolidated VIEs' Financial Performance [Line Items]
Revenues	$ 5,060	$ 5,724
Cost of revenues	3,456	4,868
Total operating expenses	3,012	2,920
Loss from discontinued operations	(46)	(25)
Net loss before allocation to noncontrolling interests	(1,411)	(1,822)
VIEs [Member]
Note 2 - Variable Interest Entities (Details) - Consolidated VIEs' Financial Performance [Line Items]
Revenues	5,039	5,620
Cost of revenues	3,455	4,868
Total operating expenses	1,883	2,203
Loss from discontinued operations	46	25
Net loss before allocation to noncontrolling interests	$ 335	$ 1,208