Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2013	Sep. 30, 2012
Statement of Financial Position [Abstract]
Convertible preferred stock, par value	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	1,000,000	1,000,000
Common stock, par value	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	800,000,000	800,000,000	[1]
Common stock, shares issued	165,529,000	131,559,000	[1]
Common stock, shares outstanding	165,529,000	131,559,000	[1]
Convertible preferred stock, shares issued	900	900
Convertible preferred stock, shares outstanding	900	900
Preferred Stock, Liquidation Preference, Value	$ 866,000	$ 926,000

[1] (2) The number of shares of common stock issued and outstanding are rounded to the nearest one thousand (1000).