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Stockholders' Equity (Series D Convertible Preferred Stock) (Details) - Series D Preferred Stock - $ / shares
Mar. 31, 2016
Jun. 30, 2015
Class of Stock [Line Items]    
Preferred stock, shares issued (in shares) 110 0
Preferred stock, par value (in dollars per share) $ 1,000 $ 1,000
Convertible preferred stock, shares issued upon conversion (in shares) 3,333  
Beneficial ownership interest percentage threshold 9.99%  
Preferred stock, shares outstanding (in shares) 110 0