Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Stockholders' equity:
Common Stock, par value	$ 0	$ 0
Common Stock, shares authorized	750,000,000	750,000,000
Common Stock, shares issued	31,515,000	31,479,000
Common Stock, shares outstanding	31,515,000	31,479,000
Series A Preferred Stock
Stockholders' equity:
Convertible preferred stock, par value	$ 0	$ 0
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
Stockholders' equity:
Convertible preferred stock, par value	$ 0	$ 0
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