Quarterly report pursuant to Section 13 or 15(d)

Derivative Liability and Fair Value Measurements (Schedule of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail)

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Derivative Liability and Fair Value Measurements (Schedule of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability $ 0 $ 152,927
Total liabilities measured at fair value (Current Liabilities) 0 152,927
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 0 0
Total liabilities measured at fair value (Current Liabilities) 0 0
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 0 0
Total liabilities measured at fair value (Current Liabilities) 0 0
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative Liability 0 152,927
Total liabilities measured at fair value (Current Liabilities) $ 0 $ 152,927