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Redeemable Convertible Preferred Stock (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]    
Balance $ 70,786 $ 76,236
Increase / Decrease of fair value 5,557 (5,450)
Ending balance $ 76,343 $ 70,786