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Stockholders' Equity (Series A Convertible Redeemable Preferred Stock) (Details) - $ / shares
Sep. 16, 2013
Mar. 31, 2016
Jun. 30, 2015
Jun. 30, 2014
Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, shares authorized (in shares) 100,000      
Preferred stock, par value (in dollars per share) $ 1,000      
Quarterly dividend rate (as a percent) 7.00%      
Redemption price (in dollars per share) $ 1.15      
Anniversary period (in months) 42 months      
Voting percentage required to create, issue or amend preferred stock 51.00%      
Temporary equity, shares outstanding (in shares)     0 0
Share price (in dollars per share) $ 80.00      
Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, shares authorized (in shares) 100,000      
Preferred stock, par value (in dollars per share) $ 1,000      
Quarterly dividend rate (as a percent) 7.00%      
Redemption price (in dollars per share) $ 1.15      
Anniversary period (in months) 42 months      
Voting percentage required to create, issue or amend preferred stock 51.00%      
Temporary equity, shares outstanding (in shares)   0 0 0
Share price (in dollars per share) $ 1      
Series B Convertible Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, shares authorized (in shares) 50,000 50,000 50,000 50,000
Preferred stock, par value (in dollars per share) $ 1,000 $ 1,000 $ 1,000 $ 1,000
Redemption price (in dollars per share) $ 1.15      
Voting percentage required to create, issue or amend preferred stock 51.00%      
Temporary equity, shares outstanding (in shares)     0 0
Year One | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 8.00%      
Year One | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 8.00%      
Year Two | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 6.00%      
Year Two | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 6.00%      
Year Three | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 4.00%      
Year Three | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 4.00%      
After Year Three, Before Forty Two Months | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 2.00%      
After Year Three, Before Forty Two Months | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 2.00%      
After Forty Two Months | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 0.00%      
After Forty Two Months | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 0.00%      
Maximum | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Percent of proceeds, which no convertible stock premium is due 33.00%      
Maximum | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Percent of proceeds, which no convertible stock premium is due 33.00%      
Upon Change in Control | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Anniversary period (in months) 42 months      
Upon Change in Control | Year One | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 8.00%      
Upon Change in Control | Year Two | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 6.00%      
Upon Change in Control | Year Three | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 4.00%      
Upon Change in Control | After Year Three, Before Forty Two Months | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 2.00%      
Upon Change in Control | After Forty Two Months | Series A Convertible Redeemable Preferred Stock        
Class of Stock [Line Items]        
Conversion percentage 0.00%