Quarterly report pursuant to Section 13 or 15(d)

Supplemental Information on Oil And Gas Operations (Details) - Schedule of hydrocarbon property acquisition and development expenses

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Supplemental Information on Oil And Gas Operations (Details) - Schedule of hydrocarbon property acquisition and development expenses - USD ($)
$ in Thousands
9 Months Ended
May 31, 2019
May 31, 2018
Schedule of hydrocarbon property acquisition and development expenses [Abstract]    
Advanced royalty payments $ 300 $ 469
Mineral rights acquired 10,800
Construction of oil extraction plant 7,851 3,025
Total $ 18,951 $ 3,494