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Notes Payable and Convertible Notes (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Notes Payable and Convertible Notes [Abstract]    
Fair value of warrants, beginning balance $ 1,250,000 $ 2,820,000
Unrealized gain on derivative liability (290,000) (1,570,000)
Extinguishment of warrant liability (960,000)  
Fair value of warrants, ending balance $ 1,250,000