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8. EQUITY METHOD INVESTMENTS (Details 2) - USD ($)
$ in Thousands
2 Months Ended 12 Months Ended
Feb. 23, 2016
Dec. 31, 2016
Dec. 31, 2015
Operating income (loss)   $ (5,660) $ (9,648)
Interest expense   (13,959) (13,904)
Net loss   $ (19,619) $ (21,320)
Condor Energy      
Revenues $ 108    
Operating expenses (368)    
Operating income (loss) (260)    
Interest expense (195)    
Net loss $ (455)