Supplemental Schedule of Information to the Statements of Cash Flows (Tables)
6 Months Ended
Feb. 28, 2014
Supplemental Schedule of Information to the Statements of Cash Flows [Abstract]  
Schedule of Supplemental Information to the Statements of Cash Flows
 
   
Six Months Ended
 
   
February 28,
   
February 28,
 
   
2014
   
2013
 
Supplemental cash flow information:
           
    Interest paid
  $ 501     $ 294  
    Income taxes paid
    -       -  
                 
Non-cash investing and financing activities:
               
Well costs payable
  $ 17,966     $ 5,539  
Assets acquired in exchange for common stock
    10,122       14,284  
Asset retirement costs and obligations
    1,000       522