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Oil and Gas Assets (Tables)
3 Months Ended
Jul. 31, 2015
Extractive Industries [Abstract]  
Schedule of Oil and Gas Assets
Cost   Oklahoma     Kansas     Missouri     Other    

 

Total

 
Balance May 1, 2015   $ 6,935,000     $ 7,803,020     $ 918,991     $ 100,000     $ 15,757,011  
Additions     7,283       -       -       -       7,283  
Disposals     (279,013 )     -       -       -       (279,013 )
Depreciation, depletion and amortization     (23,037 )      (29,318 )     -       -       (52,355 )
Balance July 31, 2015   $ 6,640,233     $ 7,773,702     $ 918,991     $ 100,000     $ 15,432,926