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Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Long-term investments and other assets, fair value $ 3,355 $ 2,826
Series B redeemable convertible preferred stock, par value   $ 0.01
Series B redeemable convertible preferred stock, shares authorized   45,000
Series B redeemable convertible preferred stock, shares issued   35,217
Series B redeemable convertible preferred stock, shares outstanding   35,217
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 8,027,412 6,343,295
Common stock, shares outstanding 7,837,412 6,188,295
Treasury stock, shares 190,000 155,000