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Sale of Amadeus Basin Assets (Details)
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9 Months Ended | 0 Months Ended | 6 Months Ended | 9 Months Ended | 9 Months Ended | 0 Months Ended | ||||
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Mar. 31, 2014
USD ($)
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Mar. 31, 2013
USD ($)
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Mar. 31, 2014
Amadeus Basin
AUD
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Mar. 31, 2014
Amadeus Basin
AUD
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Mar. 31, 2014
Amadeus Basin
USD ($)
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Mar. 31, 2014
Amadeus Basin
Maximum
AUD
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Mar. 31, 2014
Amadeus Basin
Palm Valley
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Apr. 15, 2014
Amadeus Basin
Subsequent Event
USD ($)
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Apr. 15, 2014
Amadeus Basin
Subsequent Event
AUD
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Mar. 31, 2014
Amadeus Basin
Central Petroleum Limited
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||||||||
| Proceeds from first and second cash installment for the sale of Amadeus Basin assets | $ 13,859,000 | $ 0 | 15,000,000 | $ 13,859,000 | $ 4,624,000 | 5,000,000 | ||||
| Shares issued during period for acquisitions | 4,347,826 | 39,500,000.0 | ||||||||
| Ownership percentage | 11.00% | |||||||||
| Amount excluded form reimbursement of capital expenditures | 485,000 | |||||||||
| Reimbursement of capital expenditures | 743,000 | |||||||||
| Royalty rate | 25.00% | |||||||||
| AUD/Gigajoule gas price trigger for first ten years | 5.00 | |||||||||
| AUD/Gigajoule gas price trigger for following five years | 6.00 | |||||||||
| Discount rate | 10.00% | |||||||||
| Bonus discharge amount | 7,000,000.0 | |||||||||
| X | ||||||||||
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- Definition
Oil and Gas Property, Bonus Discharge Amount No definition available.
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- Definition
Oil and Gas Property, Discount Rate No definition available.
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- Definition
Oil and Gas Property, Reimbursement of Capital Expenditures No definition available.
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- Definition
Oil and Gas Property, Reimbursement of Capital Expenditures, Exclusion Amount No definition available.
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- Definition
Oil and Gas Property, Royalty Rate No definition available.
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| X | ||||||||||
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- Definition
Oil and Gas Property, Royalty Rate Trigger Gas Price for First Ten Years No definition available.
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| X | ||||||||||
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- Definition
Oil and Gas Property, Royalty Rate Trigger Gas Price for Following Five Years No definition available.
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| X | ||||||||||
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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