Derivative Liability and Fair Value Measurements (Schedule of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note Conversion Feature Liability		$ 2,806,942
Warrant Liability	$ 240,786	10,734,196
Total liabilities measured at fair value (Long-Term)	240,786	13,541,138
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note Conversion Feature Liability		0
Warrant Liability	0	0
Total liabilities measured at fair value (Long-Term)	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note Conversion Feature Liability		0
Warrant Liability	0	0
Total liabilities measured at fair value (Long-Term)	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Note Conversion Feature Liability		2,806,942
Warrant Liability	240,786	10,734,196
Total liabilities measured at fair value (Long-Term)	$ 240,786	$ 13,541,138