CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 30, 2011	Sep. 30, 2010
CONSOLIDATED BALANCE SHEETS
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares outstanding	134,720	185,709
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares outstanding	24,454,924	23,986,531