Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Segment Information (Details) - Schedule of oil extraction and processing segment - Segments [Member] - USD ($)
$ in Thousands
Feb. 29, 2020
Feb. 28, 2019
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items]    
Additions to non-current assets $ 2,726 $ 9,004
Reportable segment assets 75,148 47,263
Reportable segment liabilities 18,636 9,416
Oil Extraction [Member]    
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items]    
Additions to non-current assets 2,116 7,204
Reportable segment assets 41,123 36,516
Reportable segment liabilities 17,636 9,247
Mining Operations [Member]    
Results of Operations for Oil and Gas Producing Activities, by Geographic Area [Line Items]    
Additions to non-current assets 610 1,800
Reportable segment assets 34,025 10,747
Reportable segment liabilities $ 1,000 $ 169