Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.4.0.3
Related Party Transactions (Details)
$ in Thousands
 4 Months Ended 9 Months Ended
Mar. 31, 2016
owner
Mar. 31, 2015
AUD
Mar. 31, 2016
USD ($)
owner
Mar. 31, 2015
USD ($)
Devizes International Consulting Limited | Affiliated Entity        
Related Party Transaction [Line Items]        
Amount of transaction     $ 60 $ 110
MPA | Compensation Arrangement | Director        
Related Party Transaction [Line Items]        
Amount of transaction | AUD   AUD 5,400    
MI3 Petroleum Engineering | Compensation Arrangement | Affiliated Entity        
Related Party Transaction [Line Items]        
Amount of transaction       979
MI3 Petroleum Engineering | Compensation Arrangement | Discontinued Operations | Affiliated Entity        
Related Party Transaction [Line Items]        
Amount of transaction     $ 293 $ 948
Utah CO2 LLC | MI4 Oil and Gas LLC        
Related Party Transaction [Line Items]        
Number of noncontrolling interest owners | owner 1   1  
Series A Preferred Stock        
Related Party Transaction [Line Items]        
Percent of shares transferred 100.00%      
CO2 Business        
Related Party Transaction [Line Items]        
Ownership percentage, sold in period 100.00%