Quarterly report pursuant to Section 13 or 15(d)

Merger with Tellurian (Details)

v3.5.0.2
Merger with Tellurian (Details)
 12 Months Ended
Jun. 30, 2016
USD ($)
$ / shares
Sep. 30, 2016
$ / shares
Aug. 02, 2016
USD ($)
$ / shares
Business Acquisition [Line Items]      
Common stock, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01  
Foreign tax credit carry forward $ 9,100,000    
Potential offset to taxable income $ 26,800,000    
Merger Agreement      
Business Acquisition [Line Items]      
Exchange of shares, conversion ratio     1.300
Tellurian | Merger Agreement      
Business Acquisition [Line Items]      
Common stock, par value (in dollars per share) | $ / shares     $ 0.001
Termination fee, maximum     $ 1,000,000
Reverse termination fee     $ 1,000,000
Magellan Petroleum UK (MPUK) | Merger Agreement      
Business Acquisition [Line Items]      
Common stock, par value (in dollars per share) | $ / shares     $ 0.01