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INFORMATION RELATING TO THE CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Supplemental disclosure of cash flow information:    
Interest $ 32 $ 86
Income taxes paid 0 0
Supplemental disclosure of non-cash investing and financing activities:    
Note receivable for sale of investment 0 907
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 132 106
Increase (Decrease) in capital expenditure accruals related to oil and natural gas asset retirement obligations $ 123 $ (76)