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INFORMATION RELATING TO THE CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Supplemental disclosure of cash flow information:    
Interest $ 4 $ 32
Income taxes paid 10 0
Oil and natural gas    
Supplemental disclosures of cash flow information:    
Increase (Decrease) in capital expenditure accruals related to oil and natural gas exploration and development (95) 132
Increase (Decrease) in capital expenditure accruals related to oil and natural gas asset retirement obligations $ (62) $ 123