Statements of Stockholders' Equity (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	10 Months Ended	12 Months Ended
	Sep. 30, 2004	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009	Sep. 30, 2008	Sep. 30, 2007	Sep. 30, 2006	Sep. 30, 2005
Issuance costs of Preferred Stock, Private Placement (in dollars)
Preferred stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Series A Preferred stock
Issuance costs of Preferred Stock, Private Placement (in dollars)								379
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Series B Preferred stock
Issuance costs of Preferred Stock, Private Placement (in dollars)							$ 1,795
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01