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Stockholders' Equity - Series A Cumulative Perpetual Preferred Stock (Details 2) (USD $)
 3 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Jun. 30, 2014
Series A Cumulative Perpetual Preferred Stock      
Cash Dividends to Preferred Stockholders $ 168,575 $ 168,575  
Series A cumulative perpetual preferred stock
      
Series A Cumulative Perpetual Preferred Stock      
Number of shares sold of series A cumulative perpetual preferred stock 317,319    
Preferred stock dividend rate (as a percent) 8.50%   8.50%
Preferred stock, liquidation preference (in dollars per share) $ 25.00   $ 25.00
Amount of sinking fund available to stockholders 0    
Dividend payable monthly on preferred stock (in dollars per share) $ 0.177083    
Cash Dividends to Preferred Stockholders $ 168,575 $ 168,575