Quarterly report pursuant to Section 13 or 15(d)

Warrants and Derivative Liabilities (Details)

v3.19.1
Warrants and Derivative Liabilities (Details)
 3 Months Ended
Mar. 31, 2019
$ / shares
shares
Class of Warrant or Right [Line Items]  
Amount Vested and Outstanding | shares 58,130,750
Pre 2015 Common Stock Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 1
Amount Vested and Outstanding | shares 4,000,000
Pre 2015 Common Stock Warrants | Minimum  
Class of Warrant or Right [Line Items]  
Term (Years) 6 years
Pre 2015 Common Stock Warrants | Maximum  
Class of Warrant or Right [Line Items]  
Term (Years) 10 years
2015 Common Stock Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 1.15
Amount Vested and Outstanding | shares 442,000
2015 Common Stock Warrants | Minimum  
Class of Warrant or Right [Line Items]  
Exercise Price $ 1.15
Term (Years) 5 years
2015 Common Stock Warrants | Maximum  
Class of Warrant or Right [Line Items]  
Exercise Price $ 5
Term (Years) 10 years
2015 series B financing Common Stock Warrants to Series B Stockholders  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0
Term (Years) 5 years
Amount Vested and Outstanding | shares 1,031,250
2015 Series B financing Placement Agent Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0
Term (Years) 5 years
Amount Vested and Outstanding | shares 187,500
2016 Common Stock Warrants to Service Providers  
Class of Warrant or Right [Line Items]  
Exercise Price $ 1.15
Term (Years) 10 years
Amount Vested and Outstanding | shares 40,000
2016 Series C Placement Agent Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0.4
Term (Years) 5 years
Amount Vested and Outstanding | shares 125,000
2017 Series D Placement Agent Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0.25
Term (Years) 5 years
Amount Vested and Outstanding | shares 480,000
2017 Common Stock Warrants to Service Provider  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0.41
Term (Years) 5 years
Amount Vested and Outstanding | shares 125,000
2018 Emerald Financing Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0.1
Term (Years) 5 years
Amount Vested and Outstanding | shares 44,200,000
2018 Emerald Multi-Draw Credit Agreement Warrants  
Class of Warrant or Right [Line Items]  
Exercise Price $ 0.5
Term (Years) 5 years
Amount Vested and Outstanding | shares 7,500,000