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Redeemable Convertible Preferred Stock (Details 1) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Balance as of January 1, 2014     $ 76,236  
Decrease of fair value (1,279) (38,136) (11,515) (37,200)
Ending balance as of June 30, 2014 $ 64,721   $ 64,721