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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Contingently redeemable common stock:
Contingently redeemable common stock, Issued shares	0	4,788,125
Contingently redeemable common stock, outstanding shares	0	4,788,125
Stockholders' equity:
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, Authorized shares	5,000,000	5,000,000
Convertible preferred stock, Issued shares	0	0
Convertible preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, Authorized shares	500,000,000	500,000,000
Common stock, Issued shares	109,961,324	102,676,544
Common stock, outstanding shares	109,961,324	102,676,544

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- Definition

Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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