Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical)

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CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Stockholders' equity:    
Preferred stock, par value (in dollars per share) $ 0.05 $ 0.05 [1]
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000 [1]
Common stock, par value (in dollars per share) $ 0.0075 $ 0.0075 [1]
Common stock, shares authorized (in shares) 138,666,666 138,666,666 [1]
Common stock, shares outstanding (in shares) 68,222,598 35,107,007 [1]
[1] The condensed consolidated balance sheet as of December 31, 2011 has been derived from the audited financial statements as of that date included in the Company's Annual Report on Form 10-K for the year ended December 31, 2011.