Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Undesignated preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	9,000,000,000	9,000,000,000
Common stock, shares issued (in shares)	3,824,178,762	3,753,201,929
Common stock, shares outstanding (in shares)	3,824,178,762	3,753,201,929
Series A Convertible Preferred Stock [Member]
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Convertible Perpetual Preferred Stock, Series B-1
Preferred stock, shares issued (in shares)	12,500,000	12,500,000
Preferred stock, shares outstanding (in shares)	12,500,000	12,500,000
Preferred stock, liquidation preference (in dollars per share)	$ 0.001	$ 0.001