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Fair Value Measurements (Details) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Liabilities - Contingent Rights $ 4,134,931 $ 4,122,266
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Liabilities - Contingent Rights 0 0
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Liabilities - Contingent Rights 0 0
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Liabilities - Contingent Rights $ 4,134,931 $ 4,122,266