Quarterly report pursuant to Section 13 or 15(d)

Related Parties Transactions (Details)

v3.3.1.900
Related Parties Transactions (Details)
$ in Thousands
 4 Months Ended 6 Months Ended
Mar. 31, 2015
AUD
Dec. 31, 2015
USD ($)
owner
Dec. 31, 2014
USD ($)
Devizes International Consulting Limited | Affiliated Entity      
Related Party Transaction [Line Items]      
Amount of transaction   $ 31 $ 125
MPA | Compensation Arrangement | Director      
Related Party Transaction [Line Items]      
Amount of transaction | AUD AUD 5,400    
MI3 | Compensation Arrangement | Affiliated Entity      
Related Party Transaction [Line Items]      
Amount of transaction   $ 292 $ 528
Utah CO2 LLC | MI4 Oil and Gas LLC      
Related Party Transaction [Line Items]      
Number of noncontrolling interest owners | owner   1