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v3.19.1

Warrants and Derivative Liabilities (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Class of Warrant or Right [Line Items] |  |
Amount Vested and Outstanding | 58,130,750 | 53,130,750
Pre 2015 Common Stock Warrants |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 1 | $ 1.00
Amount Vested and Outstanding | 4,000,000 | 4,000,000
Pre 2015 Common Stock Warrants | Minimum |  |
Class of Warrant or Right [Line Items] |  |
Term (Years) | 6 years | 6 years
Pre 2015 Common Stock Warrants | Maximum |  |
Class of Warrant or Right [Line Items] |  |
Term (Years) | 10 years | 10 years
2015 Common Stock Warrants |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 1.15 |
Amount Vested and Outstanding | 442,000 | 442,000
2015 Common Stock Warrants | Minimum |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 1.15 | $ 1.15
Term (Years) | 5 years | 5 years
2015 Common Stock Warrants | Maximum |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 5 | $ 5.00
Term (Years) | 10 years | 10 years
2015 series B financing Common Stock Warrants to Series B Stockholders |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0 | $ 0.00
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 1,031,250 | 1,031,250
2015 Series B financing Placement Agent Warrants |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0 | $ 0.00
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 187,500 | 187,500
2016 Common Stock Warrants to Service Providers |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 1.15 | $ 1.15
Term (Years) | 10 years | 10 years
Amount Vested and Outstanding | 40,000 | 40,000
2016 Series C Common Stock Warrants to Placement Agent |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0.4 | $ 0.40
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 125,000 | 125,000
2017 Series D Common Stock Warrants to Placement Agent |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0.25 | $ 0.25
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 480,000 | 480,000
2017 Common Stock Warrants to Service Provider |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0.41 | $ 0.41
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 125,000 | 125,000
2018 Emerald Financing Warrants |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0.1 | $ 0.10
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 44,200,000 | 44,200,000
2018 Emerald Multi-Draw Credit Agreement Warrants |  |
Class of Warrant or Right [Line Items] |  |
Exercise Price | $ 0.5 | $ 0.50
Term (Years) | 5 years | 5 years
Amount Vested and Outstanding | 7,500,000 | 2,500,000

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