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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Accounts Receivable by Major Customers) (Details) (Customer Concentration Risk [Member], Accounts Receivable [Member])
12 Months Ended
Sep. 30, 2014
Apache Energy Ltd. [Member]
 
Concentration Risk [Line Items]  
Concentration risk, percentage 12.00%
Shell Offshore Inc. [Member]
 
Concentration Risk [Line Items]  
Concentration risk, percentage 10.00%
Chevron Australia Pty. Ltd. [Member]
 
Concentration Risk [Line Items]  
Concentration risk, percentage 14.00%
Noble Energy Inc. [Member]
 
Concentration Risk [Line Items]  
Concentration risk, percentage 14.00%