Note 2 - Variable Interest Entities - Consolidated VIE's Financial Performance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
VIEs [Member]
Revenues	$ 11,902	$ 8,422	$ 25,289	$ 23,499
Cost of revenues	(9,872)	(7,047)	(19,186)	(19,234)
Total operating expenses	(2,290)	(2,959)	(6,384)	(7,821)
Loss from discontinued operations		(95)	(60)	(204)
Net loss before allocation to noncontrolling interests	(343)	(1,283)	(603)	(2,993)
Revenues	11,741	8,279	25,017	23,114
Cost of revenues	9,874	7,047	19,269	19,234
Total operating expenses	3,392	4,009	9,889	10,441
Loss from discontinued operations		(95)	(60)	(204)
Net loss before allocation to noncontrolling interests	$ (1,451)	$ (2,255)	$ (4,019)	$ (5,310)