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Note 9 - Long-term Investments (Details) - Summary of Investment in and Advance to Equity Investment Affiliates - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Equity method investments:    
Investment in equity method investees $ 829 $ 806
Advance to equity method investees 85 85
914 891
Cost method investments:    
Investment in cost method investees 184 18
Total long-term investments $ 1,098 $ 909