Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement (Details)

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Fair Value Measurement (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance, at Beginnig of Period $ 1,934,097  
Total (gains) losses    
Balance, December 31, 2018 2,256,631 $ 1,934,097
Warrant Liability [Member] | Level 3 Financial Liabilities [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance, at Beginnig of Period 5,859,635
Total (gains) losses    
Initial fair value of debt derivative at note issuance
Initial fair value of warrant liability at issuance 3,407,900
Mark-to-market at End of Period 2,731,734
Transfers out of Level 3 upon conversion or payoff of notes payable or cancellation of warrants (5,859,635) (279,999)
Balance, December 31, 2018 5,859,635
Net gain for the period included in earnings relating to the liabilities held during the period ended December 31, 2018  
Debt Derivative [Member] | Level 3 Financial Liabilities [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance, at Beginnig of Period 2,631,375
Total (gains) losses    
Initial fair value of debt derivative at note issuance 4,403,740 3,383,913
Mark-to-market at End of Period (1,333,636) 1,073,729
Transfers out of Level 3 upon conversion or payoff of notes payable or cancellation of warrants (3,368,855) (1,826,267)
Balance, December 31, 2018 2,332,624 $ 2,631,375
Net gain for the period included in earnings relating to the liabilities held during the period ended December 31, 2018 $ 1,333,636