Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Stockholders' equity:
Preferred stock, par value	$ 0.001	$ 0.001
Undesignated preferred stock, shares authorized	50,000,000	50,000,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	9,000,000,000	9,000,000,000
Common stock, shares issued	3,951,945,992	3,933,195,112
Common stock, shares outstanding	3,951,945,992	3,933,195,112
Series A Convertible Preferred Stock
Stockholders' equity:
Issuance of Convertible Perpetual Preferred Stock
Preferred stock, shares outstanding
Convertible Perpetual Preferred Stock, Series B-1
Stockholders' equity:
Issuance of Convertible Perpetual Preferred Stock	12,500,000	12,500,000
Preferred stock, shares outstanding	12,500,000	12,500,000
Preferred stock, liquidation preference	$ 0.001	$ 0.001
Convertible preferred stock, series C junior
Stockholders' equity:
Issuance of Convertible Perpetual Preferred Stock
Preferred stock, shares outstanding