Annual report pursuant to Section 13 and 15(d)

Segment Information (Details)

v2.4.0.8
Segment Information (Details) (USD $)
 3 Months Ended 12 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2014
segment
Jun. 30, 2013
Segment Reporting Information [Line Items]                    
Number of operating segments                 3  
Revenue from oil production $ 1,928,000 $ 1,907,000 $ 1,632,000 $ 2,134,000 $ 1,523,000 $ 1,706,000 $ 1,442,000 $ 1,460,000 $ 7,601,000 $ 6,131,000
Loss from continuing operations 705,000 [1] (2,813,000) (3,437,000) (4,497,000) (2,952,000) (3,726,000) (5,746,000) (4,405,000) (10,042,000) (16,829,000)
Assets 81,435,000       82,272,000       81,435,000 82,272,000
Expenditures for additions to long lived assets                 20,923,000 2,732,000
Depletion, depreciation, amortization, and accretion                 1,123,000 1,121,000
Lease operating                 6,257,000 4,851,000
Exploration                 3,484,000 7,907,000
Nautilus Poplar, LLC (NP)
                    
Segment Reporting Information [Line Items]                    
Other Income                 2,100,000  
Revenue from oil production                 7,601,000 6,131,000
Loss from continuing operations                 1,828,000 (326,000)
Assets 27,299,000       26,093,000       27,299,000 26,093,000
Expenditures for additions to long lived assets                 20,334,000 2,124,000
Depletion, depreciation, amortization, and accretion                 977,000 988,000
Lease operating                 6,257,000 4,851,000
Exploration                 541,000 398,000
Magellan Petroleum Australia Limited (MPA)
                    
Segment Reporting Information [Line Items]                    
Loss from continuing operations                 (934,000) (3,555,000)
Assets 14,073,000       32,735,000       14,073,000 32,735,000
Exploration                 436,000 3,809,000
MPUK
                    
Segment Reporting Information [Line Items]                    
Loss from continuing operations                 (2,585,000) (4,726,000)
Assets 4,486,000 [2]       2,021,000 [2]       4,486,000 [2] 2,021,000 [2]
Expenditures for additions to long lived assets                 526,000 350,000
Exploration                 2,507,000 3,700,000
Corporate
                    
Segment Reporting Information [Line Items]                    
Loss from continuing operations                 (8,351,000) (8,222,000)
Assets 111,113,000       96,229,000       111,113,000 96,229,000
Expenditures for additions to long lived assets                 63,000 258,000
Depletion, depreciation, amortization, and accretion                 146,000 133,000
Inter-segment Elimination
                    
Segment Reporting Information [Line Items]                    
Assets $ (75,536,000) [3]       $ (74,806,000) [3]       $ (75,536,000) [3] $ (74,806,000) [3]
[1] A downward revision of the contingent consideration payable during the fourth quarter of fiscal year 2014 resulted in $2.1 million of other income associated with our NP segment, refer Note 7.
[2] Refer Note 20 for disclosures relating to non-cash charges to capitalized costs.
[3] Asset inter-segment eliminations are primarily derived from investments in subsidiaries.