Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Stockholders' deficit:
Undesignated preferred stock, par value	$ 0.01	$ 0.01
Undesignated preferred stock, shares authorized	10,000,000	10,000,000
Undesignated preferred stock, shares issued
Undesignated preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	350,000,000	250,000,000
Common stock, shares issued	199,767,463	199,767,463
Common stock, shares outstanding	131,522,945	131,522,945