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Stockholders' Equity (Details) (USD $)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Preferred stock, Class E
item
Authorized shares (in shares) 20 20 20
Par value (in dollars per share)         
Liquidation preference value (in dollars per share) $ 1.00 $ 1.00 $ 1.00
Number of votes per share (in votes per share)     100,000