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Condensed Consolidated Balance Sheets [Parenthetical] (USD $)
Mar. 31, 2012
Dec. 31, 2011
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 1,108,816 413,388
Preferred stock, shares outstanding 1,108,816 413,388
Preferred stock, liquidation preference per share (in dollars) $ 22,176,320 $ 8,267,760
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 500,000,000 500,000,000
Common stock, shares issued 5,061,399 5,061,399
Common stock, shares outstanding 5,061,399 5,061,399