Annual report pursuant to Section 13 and 15(d)

One Stone Exchange (Details)

v3.5.0.2
One Stone Exchange (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 15, 2016
Mar. 31, 2016
Jun. 30, 2016
Aug. 01, 2016
Jun. 30, 2015
Related Party Transaction [Line Items]          
Notes payable     $ 783   $ 0
Basis spread on variable rate 1.00%        
Interest rate during period     4.50%    
Nautilus Poplar, LLC (NP)          
Related Party Transaction [Line Items]          
Ownership percentage, sold in period   100.00%      
One Stone Exchange Agreement | Investor | One Stone          
Related Party Transaction [Line Items]          
Notes payable $ 625        
Estimated amount due from related party     $ 1,200    
One Stone Exchange Agreement | Investor | Subsequent Event | One Stone          
Related Party Transaction [Line Items]          
Amount due from related party       $ 900  
One Stone Exchange Agreement | Director | Subsequent Event | One Stone          
Related Party Transaction [Line Items]          
Fees forgiven, related parties       $ 174  
One Stone Exchange Agreement | Contract Termination, Termination Fee | Investor          
Related Party Transaction [Line Items]          
Estimate of possible loss     750    
One Stone Exchange Agreement | Contract Termination, Termination Fee | Investor | One Stone          
Related Party Transaction [Line Items]          
Estimate of possible loss     $ 200    
One Stone Exchange Agreement | Utah CO2 LLC          
Related Party Transaction [Line Items]          
Majority interest percentage     51.00%    
One Stone Exchange Agreement | Nautilus Poplar, LLC (NP)          
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%