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Subsequent Events (Details Narrative) - Subsequent Event [Member]
12 Months Ended
May 31, 2017
USD ($)
Wells
Mar. 31, 2017
USD ($)
a
Oklahoma [Member] | First Quarter of Fiscal 2018 [Member]    
Proceeds from sale of leasehold properties   $ 460,461
Area of land | a   137.01
Payments for bank debt   $ 410,000
New Mexico [Member]    
Number of horizontal wells | Wells 2  
Drilling costs of wells $ 165,600  
Working interest of wells 0.60%