Supplemental Information on Oil and Gas Operations (Details) - Schedule of operating expenses related to plant maintenance

v3.21.2

Supplemental Information on Oil and Gas Operations (Details) - Schedule of operating expenses related to plant maintenance - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Schedule of operating expenses related to plant maintenance [Abstract]
Advanced royalty payments applied or expired		$ 121		$ 325
Production and maintenance costs	14	152	379	1,558
Total	$ 14	$ 273	$ 379	$ 1,883