Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.4.0.3
Segment Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
Mar. 31, 2015
USD ($)
Mar. 31, 2016
USD ($)
segment
Mar. 31, 2016
USD ($)
Mar. 31, 2016
USD ($)
reporting_unit
Mar. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
segment
Segment Reporting Information [Line Items]              
Number of reportable segments     2   2   3
Loss from continuing operations $ (2,064) $ (723)   $ (5,223)   $ (5,443)  
Net loss from continuing operations, net of tax (2,064) (766)   (5,223)   (5,486)  
Total assets of continuing operations 29,453   $ 29,453 29,453 $ 29,453   $ 46,700
Operating Segments | Magellan Petroleum UK (MPUK)              
Segment Reporting Information [Line Items]              
Loss from continuing operations (227) (300)   (708)   (881)  
Total assets of continuing operations 1,912   1,912 1,912 1,912   2,373
Operating Segments | Magellan Petroleum Australia (MPA)              
Segment Reporting Information [Line Items]              
Loss from continuing operations (657) (402)   (1,140)   (1,159)  
Total assets of continuing operations 915   915 915 915   4,593
Operating Segments | Corporate              
Segment Reporting Information [Line Items]              
Loss from continuing operations (1,177) (64)   (3,380)   (3,446)  
Total assets of continuing operations 60,582   60,582 60,582 60,582   60,733
Inter-segment elimination              
Segment Reporting Information [Line Items]              
Loss from continuing operations (3) $ 0   5   $ 0  
Total assets of continuing operations (58,204)   (58,204) (58,204) (58,204)   (58,129)
Continuing Operations [Member]              
Segment Reporting Information [Line Items]              
Total assets of continuing operations $ 5,205   $ 5,205 $ 5,205 $ 5,205   $ 9,570