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Stockholders' (Deficit) Equity (Securities Purchase Agreement) (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 16, 2015
Nov. 25, 2014
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Oct. 24, 2014
Sep. 16, 2013
May 10, 2012
Class of Stock [Line Items]                  
Sale of Class C Convertible Redeemable Preferred Stock         $ 0 $ 10,000,000      
Number of warrants issued (shares)                 1,068.181875
Exercise price per share (in dollars per share)               $ 1,840 $ 12,800
Share based compensation in connection with securities purchase agreement     $ 0 $ 50,000 $ 0 $ 4,140,000      
Series C Convertible Redeemable Preferred Stock                  
Class of Stock [Line Items]                  
Temporary equity, shares issued (in shares)         10,000 0      
Undeclared dividends     $ 484,000 $ 307,000          
Securities Purchase Agreement                  
Class of Stock [Line Items]                  
Share based compensation in connection with securities purchase agreement           $ 2,091,000      
Securities Purchase Agreement | Series C Convertible Redeemable Preferred Stock                  
Class of Stock [Line Items]                  
Undeclared dividends         $ 1,156,000 468,000      
Securities Purchase Agreement | Affiliated Entity                  
Class of Stock [Line Items]                  
Share based compensation in connection with securities purchase agreement         $ 2,049,000 $ 2,049,000      
Securities Purchase Agreement | Affiliated Entity | Series C Convertible Redeemable Preferred Stock                  
Class of Stock [Line Items]                  
Temporary equity, shares subscribed but unissued (shares)     10,000     10,000      
Temporary equity, shares subscribed but unissued, subscriptions receivable           $ 10,000,000 $ 10,000,000    
Class of warrant or right, unissued (shares)           25,000      
Exercise price above market value of common stock, percent           10.00%      
Temporary equity, shares issued (in shares) 7,000 3,000              
Sale of Class C Convertible Redeemable Preferred Stock $ 7,000,000 $ 3,000,000              
Number of warrants issued (shares) 17,500 7,500              
Securities Purchase Agreement | Affiliated Entity | Line Of Credit Promissory Note | Series C Convertible Redeemable Preferred Stock                  
Class of Stock [Line Items]                  
Class of warrant or right, unissued, number of warrants issued for each $1,000 paid for temporary equity shares (shares) 2,500                
Exercise price per share (in dollars per share) $ 35.6 $ 59.6