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Stockholders' Equity (Series C Convertible Redeemable Preferred Stock) (Details) - Series C Convertible Redeemable Preferred Stock - $ / shares
Oct. 24, 2014
Jun. 30, 2015
Jun. 30, 2014
Class of Stock [Line Items]      
Temporary equity, shares authorized 100,000 100,000,000 100,000
Temporary equity, stated value (usd per share) $ 1,000 $ 1,000 $ 1,000
Annual dividend rate, percent 12.00%    
Conversion price per share $ 4.00    
Early redemption premium, percent 6.00%    
Percent excluded from redemption fee 33.00%    
Conversion price excluded from redemption fee $ 5.00