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Stockholders' (Deficit) Equity (Series B Convertible Preferred Stock) (Details) - USD ($)
Sep. 16, 2013
Jun. 30, 2016
Jun. 30, 2015
Series A Convertible Redeemable Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, shares authorized (in shares) 100,000    
Preferred stock, stated value (usd per share) $ 1,000    
Redemption price (in dollars per share) 23    
Share price (in dollars per share) $ 80    
Voting percentage required to create, issue or amend preferred stock 51.00%    
Temporary equity, shares outstanding (in shares)   0 0
Series B Convertible Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, shares authorized (in shares) 50,000 50,000 50,000
Preferred stock, stated value (usd per share) $ 1,000 $ 1,000 $ 1,000
Redemption price (in dollars per share) $ 23    
Minimum percentage of capital stock sold to be considered a fundamental transaction 90.00%    
Voting percentage of surviving entity (less than) 50.00%    
Capital stock aggregate implied value $ 125,000,000    
Voting percentage required to create, issue or amend preferred stock 51.00%    
Temporary equity, shares outstanding (in shares)     0
Series B Convertible Preferred Stock | Clause One | Minimum | Five Days      
Class of Stock [Line Items]      
Share price (in dollars per share) $ 33.4    
Series B Convertible Preferred Stock | Clause Two      
Class of Stock [Line Items]      
Minimum shares of stock trading per day (shares) 1,250