Registration of securities issued in business combination transactions

One Stone Exchange (Detail)

v3.6.0.2
One Stone Exchange (Detail) - USD ($)
12 Months Ended
Aug. 01, 2016
Apr. 15, 2016
Mar. 31, 2016
Jun. 30, 2016
Jun. 30, 2015
Sep. 30, 2016
Related Party Transaction [Line Items]            
Notes payable       $ 783,000 $ 0 $ 104,000
Contribution to equity $ 9,892,000          
Share-based compensation expense (reversal of expense)       701,000 $ 891,000  
PIK dividends 22,815,748          
PBOs and MBOs            
Related Party Transaction [Line Items]            
Share-based compensation expense (reversal of expense) $ 369,000          
One Stone Exchange Agreement | Nautilus Poplar, LLC (NP)            
Related Party Transaction [Line Items]            
Ownership percentage, sold in period     100.00%      
One Stone Exchange Agreement | Contract Termination, Termination Fee | Investor            
Related Party Transaction [Line Items]            
Estimate of possible loss       $ 750,000    
One Stone Exchange Agreement | One Stone | Investor            
Related Party Transaction [Line Items]            
Cash amount received 900,000          
Notes payable   $ 625,000        
Basis spread on variable rate   1.00%        
Interest rate       4.50%    
Estimated amount due       $ 1,200,000    
Disposal Group, including Discontinued Operations, Transaction Costs, Cumulative       690,000   968,000
One Stone Exchange Agreement | One Stone | Director            
Related Party Transaction [Line Items]            
Outstanding amount forgiven $ 174,000          
One Stone Exchange Agreement | One Stone | Nautilus Poplar, LLC (NP)            
Related Party Transaction [Line Items]            
Ownership percentage, sold in period     100.00%      
One Stone Exchange Agreement | One Stone | Utah CO2 LLC            
Related Party Transaction [Line Items]            
Ownership percentage, sold in period     51.00%      
One Stone Exchange Agreement | One Stone | Contract Termination, Expense Reimbursement | Investor            
Related Party Transaction [Line Items]            
Estimate of possible loss     $ 200,000 200,000   200,000
One Stone Exchange Agreement | One Stone | Contract Termination, Termination Fee | Investor            
Related Party Transaction [Line Items]            
Estimate of possible loss     $ 750,000 $ 750,000   $ 750,000
Series A Preferred Stock            
Related Party Transaction [Line Items]            
Percent of shares transferred     100.00%      
Series A Preferred Stock | One Stone Exchange Agreement | One Stone            
Related Party Transaction [Line Items]            
Percent of shares transferred     100.00%