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Fair Value Measurements (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance $ 336,862 $ 82,024
Total loss recognized in earnings 108,976 254,838
Ending Balance $ 445,838 $ 336,862