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Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Stockholders' equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	423,817,646	421,141,751
Common stock, shares outstanding	423,817,646	421,141,751

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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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