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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Temporary Equity    
Convertible Preferred Stock, par value per share $ 0.001 $ 0.001
Convertible Preferred Stock, shares authorized 10,000,000 10,000,000
Convertible Preferred Stock, shares issued 7,407 7,417
Convertible Preferred Stock, shares outstanding 7,407 7,417
Common stock, par value per share $ 0.001 $ 0.001
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 5,304,072 5,301,693
Common stock, shares outstanding 5,304,072 5,301,693