Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Common stock, par value
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	42,765,000	31,479,000
Common stock, shares outstanding	42,765,000	31,479,000
Series A Preferred Stock [Member]
Convertible preferred stock, par value
Convertible preferred stock, shares authorized	30,000,000	30,000,000
Convertible preferred stock, shares issued	2,642,000	2,652,000
Convertible preferred stock, shares outstanding	2,642,000	2,652,000
Convertible preferred stock, liquidating preference	$ 0.60	$ 0.60
Series B Preferred Stock [Member]
Convertible preferred stock, par value
Convertible preferred stock, shares authorized	5,000,000	5,000,000
Convertible preferred stock, shares issued	546,000	546,000
Convertible preferred stock, shares outstanding	546,000	546,000
Convertible preferred stock, liquidating preference	$ 2	$ 2