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Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Restricted cash $ 80,803 $ 125,000
Allowance for doubtful accounts 0 0
Impairment of oil and gas assets $ 6,870,613 1,246,975
Patents and copyright useful lives 15 years  
OKLAHOMA    
Impairment of oil and gas assets $ 5,951,622 1,246,975
MISSOURI    
Impairment of oil and gas assets 918,991 0
KANSAS    
Impairment of oil and gas assets 0 0
Other [Member]    
Impairment of oil and gas assets 0 $ 0
Bandolier Energy LLC. [Member]    
Proved developed oil and gas assets 2,460,632  
Proven undeveloped oil and gas assets $ 5,921,641