Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Preferred stock, par value $ 0.0001 $ 0.0001
Preferred stock, shares authorized 25,000 25,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 550,000 550,000
Common stock, shares issued 0 0
Common stock, shares outstanding 0 0
Class A Common Stock [Member]
    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 500,000 500,000
Common stock, shares issued 22,620 19,107
Common stock, shares outstanding 22,620 19,107
Class B Common Stock [Member]
    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 500,000 500,000
Common stock, shares issued 10,181 14,143
Common stock, shares outstanding 10,181 14,143