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8. EQUITY METHOD INVESTMENTS (Details 2) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Operating loss $ (1,803) $ (1,947) $ (7,172) $ (14,590)
Interest expense (3,656) (3,033) (10,145) (7,131)
Net loss $ (5,459) $ (4,965) (15,085) $ (22,337)
Condor [Member]        
Revenue     108  
Operating expenses     (368)  
Operating loss     (260)  
Interest expense     (195)  
Net loss     $ (455)