Note 10 - Summary of Investment in and Advance to Equity Investment Affiliates (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Equity Method Investments	$ 741	$ 778
Advance to equity method investees	79	80
Impairment on equity method investments	(820)	(838)
Total equity method investments		20
Investment in cost method investees	1,561	1,113
Total long-term investments	$ 1,561	$ 1,133