Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v2.4.0.8
Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
segment
Mar. 31, 2013
Jun. 30, 2013
Segment Reporting Information [Line Items]          
Number of Reportable Segments     3    
Loss from continuing operations $ (3,073) $ (3,726) $ (9,364) $ (11,364)  
Assets 94,033   94,033   82,272
Assets of discontinued operations 0   0   (18,199)
Total assets of continuing operations 94,033   94,033   64,073
Nautilus Poplar, LLC (NP)
         
Segment Reporting Information [Line Items]          
Revenue from oil production: 1,907 1,706 5,674 4,608  
Loss from continuing operations 40 333 (536) (133)  
Assets 26,831   26,831   26,093
Magellan Petroleum UK (MPUK)
         
Segment Reporting Information [Line Items]          
Loss from continuing operations (1,349) (2,417) (2,495) (4,424)  
Assets 174   174   2,021
Magellan Petroleum Australia (MPA)
         
Segment Reporting Information [Line Items]          
Assets 39,821   39,821   33,418
Corporate
         
Segment Reporting Information [Line Items]          
Loss from continuing operations (2,011) (1,673) (6,700) (6,661)  
Assets 102,403   102,403   96,558
Inter-segment Elimination
         
Segment Reporting Information [Line Items]          
Loss from continuing operations 247 31 367 (146)  
Assets $ (75,196)   $ (75,196)   $ (75,818)