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INFORMATION RELATING TO THE CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) - USD ($)
$ in Thousands
6 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Supplemental disclosure of cash flow information:    
Income taxes paid, net $ 100 $ 302
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 (105) 443
Increase (decrease) in capital expenditure accruals related to oil and natural gas asset retirement obligations $ 220 $ 2,341