Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Summary of Assets and Liabilities Measured at Fair Value Recurring and Nonrecurring Basis (Details)

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Fair Value Measurement - Summary of Assets and Liabilities Measured at Fair Value Recurring and Nonrecurring Basis (Details) - USD ($)
Mar. 31, 2018
Dec. 31, 2017
Derivative liabilities $ 21,434 $ 3,448,390
Warrants payable 2,138,039 1,154,120
Total liabilities 2,159,473 4,602,510
Level 1 [Member]    
Derivative liabilities
Warrants payable
Total liabilities
Level 2 [Member]    
Derivative liabilities
Warrants payable
Total liabilities
Level 3 [Member]    
Derivative liabilities 21,434 3,448,390
Warrants payable 2,138,039 1,154,120
Total liabilities $ 2,159,473 $ 4,602,510