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5. OIL AND GAS PROPERTIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Oil and gas properties, subject to amortization $ 66,496 $ 24,057
Oil and gas properties, not subject to amortization 8,159
Asset retirement costs $ 148 76
Accumulated depreciation, depletion and impairment (4,267) (10,237)
Total oil and gas assets 62,377 $ 22,055
Additions [Member]    
Oil and gas properties, subject to amortization $ 45,551  
Oil and gas properties, not subject to amortization  
Asset retirement costs $ 73  
Accumulated depreciation, depletion and impairment (4,682)  
Total oil and gas assets 40,942  
Disposals [Member]    
Oil and gas properties, subject to amortization (3,401)  
Oil and gas properties, not subject to amortization (7,870)  
Asset retirement costs (1)  
Accumulated depreciation, depletion and impairment 10,652  
Total oil and gas assets (620)  
Transfers [Member]    
Oil and gas properties, subject to amortization 289  
Oil and gas properties, not subject to amortization $ (289)  
Asset retirement costs  
Accumulated depreciation, depletion and impairment  
Total oil and gas assets