Condensed Consolidated Balance Sheet Condensed Consolidated Balance Sheet (Paranthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Assets
Allowance for doubtful accounts	$ 0	$ 0
Liabilities, Convertible Preferred Stock and Stockholders' Deficit
Common stock par value	$ 0.0003	$ 0.0003
Common stock shares authorized	30,423,297	30,423,297
Common stock shares issued and outstanding	3,999,915	3,780,490
Common stock shares issued and outstanding	3,999,915	3,780,490
Convertible Preferred Stock
Liabilities, Convertible Preferred Stock and Stockholders' Deficit
Convertible preferred stock par value	$ 0.0003	$ 0.0003
Convertible preferred stock shares authorized	26,103,736	26,103,736
Convertible preferred stock shares issued and outstanding	12,193,313	12,171,809
Convertible preferred stock shares issued and outstanding	12,193,313	12,171,809