Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.5.0.2
Related Party Transactions (Details)
$ in Thousands
 3 Months Ended 4 Months Ended
Mar. 31, 2016
Sep. 30, 2016
USD ($)
owner
Sep. 30, 2015
USD ($)
Mar. 31, 2015
AUD
CO2 Business        
Related Party Transaction [Line Items]        
Ownership percentage, sold in period 100.00%      
Series A Preferred Stock        
Related Party Transaction [Line Items]        
Percent of shares transferred 100.00%      
Utah CO2 LLC | MI4 Oil and Gas LLC        
Related Party Transaction [Line Items]        
Number of noncontrolling interest owners | owner   1    
Devizes International Consulting Limited | Affiliated Entity        
Related Party Transaction [Line Items]        
Amount of transaction   $ 21 $ 25  
MPA | Director | Compensation Arrangement        
Related Party Transaction [Line Items]        
Amount of transaction | AUD       AUD 5,400
MI3 Petroleum Engineering | Affiliated Entity | Compensation Arrangement        
Related Party Transaction [Line Items]        
Amount of transaction     292  
MI3 Petroleum Engineering | Affiliated Entity | Compensation Arrangement | Discontinued Operations        
Related Party Transaction [Line Items]        
Amount of transaction   $ 0 $ 292