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Quarterly Financial Data (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||||||
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2013
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Jun. 30, 2012
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| Selected Quarterly Financial Information [Abstract] | ||||||||||
| Revenues: | $ 1,725 | $ 1,937 | $ 1,748 | $ 1,660 | $ 1,970 | $ 4,805 | $ 3,202 | $ 3,735 | $ 7,070 | $ 13,712 |
| Total operating expenses | 5,227 | 7,303 | 9,485 | 7,542 | (26,388) | 9,367 | 8,076 | 2,883 | 29,557 | (6,062) |
| Loss before income taxes | (3,128) | (4,653) | (7,606) | (5,646) | 28,754 | (4,590) | (4,755) | 1,123 | (21,033) | 20,532 |
| NET (LOSS) INCOME APPLICABLE TO MAGELLAN PETROLEUM CORPORATION | (2,840) | (4,332) | (7,285) | (5,310) | 34,705 | (4,590) | (4,557) | 940 | (19,767) | 26,498 |
| Net income (loss) per basic share outstanding (dollars per share) | $ (0.08) | $ (0.09) | $ (0.14) | $ (0.10) | $ 0.64 | $ (0.09) | $ (0.08) | $ 0.02 | $ (0.41) | $ 0.49 |
| Net income (loss) per diluted share outstanding (dollars per share) | $ (0.08) | $ (0.09) | $ (0.14) | $ (0.10) | $ 0.64 | $ (0.09) | $ (0.08) | $ 0.02 | $ (0.41) | $ 0.49 |
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Santos Sales Agreement
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| Selected Quarterly Financial Information [Abstract] | ||||||||||
| Gain on sale of assets | $ 36,166 | |||||||||
| X | ||||||||||
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- Definition
The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate revenue during the period related to oil and gas business activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- Details
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