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COMMODITY PRICE RISK DERIVATIVES (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Price Risk Derivatives [Abstract]        
Unrealized gains (losses) from derivatives $ (282) $ (97) $ 29 $ (1,557)
Realized gain (loss) on oil price risk derivatives $ 116 $ 139 $ 217 $ 1,401