Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.5.0.2
Segment Information (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2016
USD ($)
segment
Sep. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
segment
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 2   2
Loss from continuing operations $ (2,195) $ (2,040)  
Loss from continuing operations, net of tax (2,195) (2,040)  
Total assets of continuing operations 5,837   $ 31,550
Continuing Operations      
Segment Reporting Information [Line Items]      
Total assets of continuing operations 5,837   5,508
Operating Segments | Magellan Petroleum UK (MPUK)      
Segment Reporting Information [Line Items]      
Loss from continuing operations (185) 1  
Total assets of continuing operations 2,345   1,234
Operating Segments | Magellan Petroleum Australia (MPA)      
Segment Reporting Information [Line Items]      
Loss from continuing operations (90) (335)  
Total assets of continuing operations 1,069   1,194
Operating Segments | Corporate      
Segment Reporting Information [Line Items]      
Loss from continuing operations (1,920) (1,710)  
Total assets of continuing operations 59,762   61,315
Inter-segment elimination      
Segment Reporting Information [Line Items]      
Loss from continuing operations 0 $ 4  
Total assets of continuing operations $ (57,339)   $ (58,235)