Annual report pursuant to Section 13 and 15(d)

Basis of Presentation - Goodwill Roll-Forward (Details)

v2.4.0.8
Basis of Presentation - Goodwill Roll-Forward (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Goodwill [Roll Forward]    
Fiscal year opening balance $ 2,174 $ 4,695
Sale of Mereenie interests (see Note 2) 0 2,521
Fiscal year closing balance 2,174 2,174
Nautilus Poplar, LLC (NP)
   
Goodwill [Roll Forward]    
Fiscal year closing balance 700 700
Magellan Petroleum Australia Limited (MPA)
   
Goodwill [Roll Forward]    
Fiscal year closing balance 1,300 4,000
MPUK
   
Goodwill [Roll Forward]    
Fiscal year closing balance $ 200