v3.26.1
OIL AND NATURAL GAS PROPERTIES AND ASSET RETIREMENT OBLIGATIONS (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 45 Months Ended
Aug. 28, 2025
Aug. 08, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2025
Oil and Natural Gas Properties [Line Items]                
Proceeds from the sale of oil and natural gas assets     $ 0   $ 0 $ 282    
Impairment of assets     0 $ 200 0 $ 865    
Abandonment and reclamation cost, cash deposit             $ 975  
Unused deposit, current     170   170     $ 173
Unused deposit, non-current     218   218     222
Receivables, non-current     $ 92   $ 92     $ 61
United States                
Oil and Natural Gas Properties [Line Items]                
Proceeds from the sale of oil and natural gas assets   $ 2,300            
Medicine River, Alberta, Canada | Barnwell Industries Inc                
Oil and Natural Gas Properties [Line Items]                
Proceeds from the sale of oil and natural gas assets $ 288