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Summary of Significant Accounting Policies (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Dec. 31, 2016
Liabilities:      
Warrant liability $ 1,977,363 $ 1,381,465 $ 345,960
Premium conversion derivatives 328,609 462,174 137,650
Total liabilities at fair value 2,305,972 1,843,639 483,610
Level 1 [Member]      
Liabilities:      
Warrant liability
Premium conversion derivatives
Total liabilities at fair value
Level 2 [Member]      
Liabilities:      
Warrant liability
Premium conversion derivatives
Total liabilities at fair value
Level 3 [Member]      
Liabilities:      
Warrant liability 1,977,363 1,381,465 345,960
Premium conversion derivatives 328,609 462,174 137,650
Total liabilities at fair value $ 2,305,972 $ 1,843,639 $ 483,610