CONSOLIDATED BALANCE SHEETS (PARENTHETICALS) (USD $)	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011
Preferred stock, par value	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000,000	3,000,000	3,000,000
Preferred stock, shares outstanding	0	0	0
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000	150,000,000
Common stock, shares issued	38,621,370	38,682,771	38,634,470
Common Stock Shares Outstanding	38,621,370	38,682,771	38,634,470