Stockholders' Equity (Details) - $ / shares		9 Months Ended
	Dec. 15, 2008	Jun. 30, 2015	Sep. 30, 2014
Class of Stock [Line Items]
Common stock, par value		$ 0.01	$ 0.01
Minimum percent ownership of common stock for exercise of rights		15.00%
Series A Preferred Stock
Class of Stock [Line Items]
Common stock, par value	$ 0.01
Class of warrant or right, number of securities called by warrants or rights			0.001
Exercise price of rights	$ 51.60
Rights expiration period	10 years