Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details) - Schedule of oil extraction and processing segment

v3.21.1
Segment Information (Details) - Schedule of oil extraction and processing segment - Segments [Member] - USD ($)
$ in Thousands
Feb. 28, 2021
Feb. 29, 2020
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items]    
Additions to non-current assets $ 4,778 $ 2,726
Reportable segment assets 78,794 75,148
Reportable segment liabilities 18,226 18,636
Oil Extraction [Member]    
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items]    
Additions to non-current assets 4,778 2,116
Reportable segment assets 45,554 41,123
Reportable segment liabilities 18,076 17,636
Mining Operations [Member]    
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items]    
Additions to non-current assets 610
Reportable segment assets 33,240 34,025
Reportable segment liabilities $ 150 $ 1,000